LAS VEGAS, NV – MAY 20: Actress Zooey Deschanel 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: Model 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 Kevin Mazur/WireImage)
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: Singer Jordin Sparks 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: Singer Natasha Bedingfield 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: Singer Katy Perry 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 Julianne Hough 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: Singer Alicia Keys 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)
The hottest songstresses in Hollywood debuted glam and gorgeous hair and makeup on the red carpet for the annual event—check out the best hair and makeup of the night! All of music’s most gorgeous girls walked the red carpet at the 2012 Billboard Music Awards and they did not disappoint! From Katy Perry and Carrie Underwood to Taylor Swift and Miley Cyrus—the stars were so glam! Check out all of the red carpet hair and makeup looks and tell us, HollywoodLifers — which look do you love most? Getty (4)
LAS VEGAS, NV – MAY 20: Singer Taylor Swift 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)
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)