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Billboard Music Awards 2012 — Best Red Carpet Looks

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) CARRIE UNDERWOOD
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) JUSTIN BIEBER
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) KATY PERRY
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) KATY PERRY
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) CHRIS BROWN
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) MILEY CYRUS
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) THE WANTED
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) CHRIS BROWN
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) TAYLOR SWIFT
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) JUSTIN BIEBER
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) JUSTIN BIEBER
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) JUSTIN BIEBER
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) CARLY RAE JEPSEN
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) JAY MCGUINESS
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) CARRIE UNDERWOOD
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) KATY PERRY
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) NATHAN SYKES
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Chris Polk/Getty Images via ABC) JUSTIN BIEBER
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Chris Polk/Getty Images via ABC) CHRIS BROWN
THE 2012 BILLBOARD MUSIC AWARDS – BACKSTAGE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Chris Polk/Getty Images via ABC) USHER
THE 2012 BILLBOARD MUSIC AWARDS – BACKSTAGE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Chris Polk/Getty Images via ABC) MIKE FISHER, CARRIE UNDERWOOD
THE 2012 BILLBOARD MUSIC AWARDS – BACKSTAGE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Chris Polk/Getty Images via ABC) JUSTIN BIEBER, USHER
THE 2012 BILLBOARD MUSIC AWARDS – BACKSTAGE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Chris Polk/Getty Images via ABC) JASON DERULO, JORDIN SPARKS
THE 2012 BILLBOARD MUSIC AWARDS – BACKSTAGE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) TAYLOR SWIFT
THE 2012 BILLBOARD MUSIC AWARDS – BACKSTAGE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) MILEY CYRUS, JULIANNE HOUGH
THE 2012 BILLBOARD MUSIC AWARDS – BACKSTAGE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) REDFOO
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) JUSTIN BIEBER
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) KATY PERRY
THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) KELLY CLARKSON
THE 2012 BILLBOARD MUSIC AWARDS – ARRIVALS – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) KRIS KRISTOFFERSON, TAYLOR SWIFT
LAS VEGAS, NV – MAY 20: Singer Justin Bieber arrives at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images for ABC)
THE 2012 BILLBOARD MUSIC AWARDS – ARRIVALS – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) JAY MCGUINESS OF THE WANTED
THE 2012 BILLBOARD MUSIC AWARDS – ARRIVALS – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) NATHAN SYKES OF THE WANTED
THE 2012 BILLBOARD MUSIC AWARDS – ARRIVALS – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) MILEY CYRUS, BRANDY
LAS VEGAS, NV – MAY 20: Singers Justin Bieber (L) and Usher attend the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Christopher Polk/Billboards2012/Getty Images for ABC)
LAS VEGAS, NV – MAY 20: Pat Houston (L) and Bobbi Kristina Houston-Brown accept the Millennium Award on behalf of Whitney Houston onstage at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Billboards2012/Getty Images for ABC)
LAS VEGAS, NV – MAY 20: Singer Jordin Sparks performs onstage at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Billboards2012/Getty Images for ABC)
LAS VEGAS, NV – MAY 20: Singer Katy Perry performs onstage at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Christopher Polk/Billboards2012/Getty Images for ABC)
LAS VEGAS, NV – MAY 20: The Wanted perform onstage at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Christopher Polk/Billboards2012/Getty Images for ABC)
LAS VEGAS, NV – MAY 20: Singer Justin Bieber accepts the award for Top Social Artist onstage at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Billboards2012/Getty Images for ABC)
LAS VEGAS, NV – MAY 20: singer Katy Perry & her Grandma arrive at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Kevin Mazur/WireImage)
LAS VEGAS, NV – MAY 20: Singer Carly Rae Jepsen performs onstage at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Christopher Polk/Billboards2012/Getty Images for ABC)
LAS VEGAS, NV – MAY 20: Singer Justin Bieber performs onstage at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Billboards2012/Getty Images for ABC)
LAS VEGAS, NV – MAY 20: Usher poses in the press room at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Getty Images)
LAS VEGAS, NV – MAY 20: Presenter Robin Thicke poses in the press room at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)
LAS VEGAS, NV – MAY 20: Rapper Wiz Khalifa winner of the award for Top New Artist poses in the press room at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)
LAS VEGAS, NV – MAY 20: Singer Justin Bieber at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Christopher Polk/Billboards2012/Getty Images for ABC)
LAS VEGAS, NV – MAY 20: Singer Carly Rae Jepsen arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Kevin Mazur/WireImage)
LAS VEGAS, NV – MAY 20: Actress Zooey Deschanel arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
LAS VEGAS, NV – MAY 20: Chrissy Teigen arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
Kelly Clarkson performs at the 2012 Billboard Music Awards (Getty)
Chris Brown performs at the 2012 Billboard Music Awards (Getty)
LAS VEGAS, NV – MAY 20: Taylor Swift arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (WireImage)
LAS VEGAS, NV – MAY 20: Katy Perry arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (WireImage)
LAS VEGAS, NV – MAY 20: Jordin Sparks arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (WireImage)
LAS VEGAS, NV – MAY 20: Natasha Bedingfield arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (WireImage)
LAS VEGAS, NV – MAY 20: Alicia Keys arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (WireImage)
LAS VEGAS, NV – MAY 20: Julianne Hough arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (WireImage)
From Justin Bieber to Miley Cyrus, all of the biggest stars are out in Las Vegas. Click to see the best looks from the carpet! The 2012 Billboard Music Awards brought plenty of stars to the May 20 carpet at the MGA Grand in Las Vegas — and we loved their style! From Justin Bieber to Miley Cyrus, everyone looked great. Check out our gallery for the best red carpet pics and tell us, HollywoodLifers — who had the best style? (Getty [2])
LAS VEGAS, NV – MAY 20: Singer Justin Bieber arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Kevin Mazur/WireImage)
LAS VEGAS, NV – MAY 20: (L-R) Nathan Sykes, Jay McGuiness, Siva Kaneswaran, Tom Parker and Max George of The Wanted arrive at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images for ABC)
LAS VEGAS, NV – MAY 20: Singer Carrie Underwood arrives at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images for ABC)
LAS VEGAS, NV – MAY 20: Singer Miley Cyrus arrives at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images for ABC)
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THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) CARRIE UNDERWOOD

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THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) JUSTIN BIEBER

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THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) KATY PERRY

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THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) KATY PERRY

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THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) CHRIS BROWN

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THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) MILEY CYRUS

ABC_wanted

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) THE WANTED

ABC-chris1

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) CHRIS BROWN

ABC_taylor

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Ethan Miller/Getty Images via ABC) TAYLOR SWIFT

ABC-JB2

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) JUSTIN BIEBER

ABC-JB4

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) JUSTIN BIEBER

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THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) JUSTIN BIEBER

ABC-carly

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) CARLY RAE JEPSEN

ABC-wanted

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) JAY MCGUINESS

abc-carrie2

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) CARRIE UNDERWOOD

ABC-katy3

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) KATY PERRY

ABC-wanted4

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) NATHAN SYKES

ABC-JB6

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Chris Polk/Getty Images via ABC) JUSTIN BIEBER

AABC-chris5

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Chris Polk/Getty Images via ABC) CHRIS BROWN

052012_ABC1_usher

THE 2012 BILLBOARD MUSIC AWARDS – BACKSTAGE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Chris Polk/Getty Images via ABC) USHER

052012_ABC1_carrie

THE 2012 BILLBOARD MUSIC AWARDS – BACKSTAGE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Chris Polk/Getty Images via ABC) MIKE FISHER, CARRIE UNDERWOOD

052012_ABC1_usherjb

THE 2012 BILLBOARD MUSIC AWARDS – BACKSTAGE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Chris Polk/Getty Images via ABC) JUSTIN BIEBER, USHER

052012_ABC1_jordin

THE 2012 BILLBOARD MUSIC AWARDS – BACKSTAGE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Chris Polk/Getty Images via ABC) JASON DERULO, JORDIN SPARKS

052012_ABC1_taylor

THE 2012 BILLBOARD MUSIC AWARDS – BACKSTAGE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) TAYLOR SWIFT

052012_ABC1_mileyjul

THE 2012 BILLBOARD MUSIC AWARDS – BACKSTAGE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) MILEY CYRUS, JULIANNE HOUGH

052012_ABC1_lmfao

THE 2012 BILLBOARD MUSIC AWARDS – BACKSTAGE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) REDFOO

052012_ABC_JB

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) JUSTIN BIEBER

052012_ABC_katy

THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) KATY PERRY

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THE 2012 BILLBOARD MUSIC AWARDS – THEATRE – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) KELLY CLARKSON

052012_ABC_taylor

THE 2012 BILLBOARD MUSIC AWARDS – ARRIVALS – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) KRIS KRISTOFFERSON, TAYLOR SWIFT

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LAS VEGAS, NV – MAY 20: Singer Justin Bieber arrives at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images for ABC)

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THE 2012 BILLBOARD MUSIC AWARDS – ARRIVALS – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) JAY MCGUINESS OF THE WANTED

052012_ABC_TW2

THE 2012 BILLBOARD MUSIC AWARDS – ARRIVALS – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) NATHAN SYKES OF THE WANTED

052012_ABC_miley

THE 2012 BILLBOARD MUSIC AWARDS – ARRIVALS – “The 2012 Billboard Music Awards” broadcast live from the MGM Grand Garden Arena in Las Vegas, SUNDAY, MAY 20 (8:00-11:00 p.m., ET), on ABC. (Photo by Kevin Mazur/WireImage via ABC) MILEY CYRUS, BRANDY

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LAS VEGAS, NV – MAY 20: Singers Justin Bieber (L) and Usher attend the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Christopher Polk/Billboards2012/Getty Images for ABC)

052012_bobbi_ftr_144923464

LAS VEGAS, NV – MAY 20: Pat Houston (L) and Bobbi Kristina Houston-Brown accept the Millennium Award on behalf of Whitney Houston onstage at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Billboards2012/Getty Images for ABC)

052012_jordin_144923201

LAS VEGAS, NV – MAY 20: Singer Jordin Sparks performs onstage at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Billboards2012/Getty Images for ABC)

052012_katy_144922090

LAS VEGAS, NV – MAY 20: Singer Katy Perry performs onstage at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Christopher Polk/Billboards2012/Getty Images for ABC)

052012_wanted_ftr_144919208

LAS VEGAS, NV – MAY 20: The Wanted perform onstage at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Christopher Polk/Billboards2012/Getty Images for ABC)

052012_jb_ftr_144919065

LAS VEGAS, NV – MAY 20: Singer Justin Bieber accepts the award for Top Social Artist onstage at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Billboards2012/Getty Images for ABC)

052012_katy_144916833

LAS VEGAS, NV – MAY 20: singer Katy Perry & her Grandma arrive at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Kevin Mazur/WireImage)

052012_carly_144921585

LAS VEGAS, NV – MAY 20: Singer Carly Rae Jepsen performs onstage at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Christopher Polk/Billboards2012/Getty Images for ABC)

052012_jb_ftr_144921563

LAS VEGAS, NV – MAY 20: Singer Justin Bieber performs onstage at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Billboards2012/Getty Images for ABC)

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LAS VEGAS, NV – MAY 20: Usher poses in the press room at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Getty Images)

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LAS VEGAS, NV – MAY 20: Presenter Robin Thicke poses in the press room at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)

052010_wiz_144918811

LAS VEGAS, NV – MAY 20: Rapper Wiz Khalifa winner of the award for Top New Artist poses in the press room at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)

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LAS VEGAS, NV – MAY 20: Singer Justin Bieber at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Christopher Polk/Billboards2012/Getty Images for ABC)

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LAS VEGAS, NV – MAY 20: Singer Carly Rae Jepsen arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Kevin Mazur/WireImage)

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LAS VEGAS, NV – MAY 20: Actress Zooey Deschanel arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)

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LAS VEGAS, NV – MAY 20: Chrissy Teigen arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)

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Kelly Clarkson performs at the 2012 Billboard Music Awards (Getty)

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Chris Brown performs at the 2012 Billboard Music Awards (Getty)

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LAS VEGAS, NV – MAY 20: Taylor Swift arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (WireImage)

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LAS VEGAS, NV – MAY 20: Katy Perry arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (WireImage)

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LAS VEGAS, NV – MAY 20: Jordin Sparks arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (WireImage)

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LAS VEGAS, NV – MAY 20: Natasha Bedingfield arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (WireImage)

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LAS VEGAS, NV – MAY 20: Alicia Keys arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (WireImage)

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LAS VEGAS, NV – MAY 20: Julianne Hough arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (WireImage)

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From Justin Bieber to Miley Cyrus, all of the biggest stars are out in Las Vegas. Click to see the best looks from the carpet! The 2012 Billboard Music Awards brought plenty of stars to the May 20 carpet at the MGA Grand in Las Vegas — and we loved their style! From Justin Bieber to Miley Cyrus, everyone looked great. Check out our gallery for the best red carpet pics and tell us, HollywoodLifers — who had the best style? (Getty [2])

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LAS VEGAS, NV – MAY 20: Singer Justin Bieber arrives at the 2012 Billboard Music Awards at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Kevin Mazur/WireImage)

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LAS VEGAS, NV – MAY 20: (L-R) Nathan Sykes, Jay McGuiness, Siva Kaneswaran, Tom Parker and Max George of The Wanted arrive at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images for ABC)

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LAS VEGAS, NV – MAY 20: Singer Carrie Underwood arrives at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images for ABC)

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LAS VEGAS, NV – MAY 20: Singer Miley Cyrus arrives at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images for ABC)

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