Keira Knightley, in Chanel and James Righton, in Christopher Kane, attend the Chanel show as part of the Paris Fashion Week Womenswear Fall/Winter 2014-2015 on March 4, 2014 in Paris, France. (Photo by Marc Piasecki/WireImage)

Selena Gomez, in BCBG, attends Hollywood Stands Up To Cancer Event on Jan. 28, in LA. (Photo by Michael Buckner/Getty Images for Entertainment Industry Foundation)

Rihanna, in Chanel, on ‘GMA’ on Jan. 29, in NYC. (SplashNews)

Michelle Obama, in Alaia, at State Of The Union Address on Jan, 28. (Photo By Tom Williams/CQ Roll Call)

Taylor Swift, in Gucci, attends the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevin Mazur/WireImage)

Katy Perry, in Valentino, attends the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevin Mazur/WireImage)

Chrissy Teigen, in Johanna Johnson, attend the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Jason Merritt/Entertainment/Getty Images)

Rita Ora, in Lanvin, attends the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Lester Cohen/WireImage)

Emma Roberts, in Kate Spade, attends Hollywood Stands Up To Cancer Event with contributors American Cancer Society and Bristol Myers Squibb hosted by Jim Toth and Reese Witherspoon and the Entertainment Industry Foundation on Tuesday, January 28, 2014 in Culver City, California. (Photo by Michael Buckner/Getty Images for Entertainment Industry Foundation)

Gwyneth Paltrow, in David Koma, attends Hollywood Stands Up To Cancer Event with contributors American Cancer Society and Bristol Myers Squibb hosted by Jim Toth and Reese Witherspoon and the Entertainment Industry Foundation on Tuesday, January 28, 2014 in Culver City, California. (Photo by Michael Buckner/Getty Images for Entertainment Industry Foundation)

Reese Witherspoon, in Roland Mouret, attends Hollywood Stands Up To Cancer Event with contributors American Cancer Society and Bristol Myers Squibb hosted by Jim Toth and Reese Witherspoon and the Entertainment Industry Foundation on Tuesday, January 28, 2014 in Culver City, California. (Photo by Michael Buckner/Getty Images for Entertainment Industry Foundation)

Kristen Stewart, in Stella McCartney, attends the Costume Institute Gala for the ‘PUNK: Chaos to Couture’ exhibition at the Metropolitan Museum of Art on May 6, 2013 in New York City (Getty)

Singer Rihanna, in a custom-made Azzedine Alaïa gown, attends the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Larry Busacca/WireImage)

Actress Jennifer Lawrence, in Dior, arrives at the Oscars at Hollywood & Highland Center on February 24, 2013 in Hollywood, California. (Photo by Gregg DeGuire/WireImage)

Taylor Swift, in Elie Saab, attends the Brit Awards at 02 Arena on February 20, 2013 in London, England. (Photo by Mike Marsland/WireImage)

U.S. President Barack Obama and first lady Michelle Obama, in Jason Wu, arrive for the Comander-in-Chief’s Inaugural Ball at the Walter Washington Convention Center January 21, 2013 in Washington, DC. Obama was sworn-in for his second term of office earlier in the day. (Photo by Chip Somodevilla/News/Getty Images)

Kerry Washington,in a Giles Spring 2013 gown, attends the UK Premiere of ‘Django Unchained’ at Empire Leicester Square on January 10, 2013 in London, England. (Photo by Ferdaus Shamim/WireImage)

Miley Cyrus, in Marc Jacobs, attends the 30th Annual Night Of Stars presented by The Fashion Group International at Cipriani Wall Street on October 22, 2013 in New York City (Dave Kotinsky/Entertainment/Getty Images)

Actress Nina Dobrev, in Elie Saab, arrives at the 19th Annual Screen Actors Guild Awards at The Shrine Auditorium on January 27, 2013 in Los Angeles, California. (Photo by Jon Kopaloff/FilmMagic)

Elizabeth Banks, in Jason Wu, attends the UK Premiere of ‘The Hunger Games: Catching Fire’ at Odeon Leicester Square on November 11, 2013 in London, England. (Photo by Mike Marsland/WireImage)

Singer Jennifer Lopez, in Zuhair Murad, arrives at the 2013 Billboard Music Awards at the MGM Grand Garden Arena on May 19, 2013 in Las Vegas, Nevada. (Photo by Jason Merritt/Entertainment/Getty Images)

Actress Eva Longoria, in Pucci, arrives at the 70th Annual Golden Globe Awards held at The Beverly Hilton Hotel on January 13, 2013 in Beverly Hills, California. (Photo by George Pimentel/WireImage)

Actress Lea Michele, in Elie Saab, poses in the press room at the 70th Annual Golden Globe Awards held at The Beverly Hilton Hotel on January 13, 2013 in Beverly Hills, California. (Photo by Jeff Vespa/WireImage)

Actress Naya Rivera, in Michael Kors, arrives at the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Gregg DeGuire/WireImage)

Actress Selena Gomez, in Reem Acra, arrives at the Los Angeles Premiere ‘Spring Breakers’ at ArcLight Hollywood on March 14, 2013 in Hollywood, California. (Photo by Jon Kopaloff/FilmMagic)

Katy Perry, in Giambattista Valli, poses during the red carpet at the White House Correspondents’ Association Dinner at the Washington Hilton on April 27, 2013 in Washington, DC. (Photo by Kris Connor/FilmMagic)

Claire Danes, in Valentino, attends a premiere screening hosted by SHOWTIME and Fox 21 for Season 3 of the hit series ‘Homeland’ at Corcoran Gallery of Art on September 9, 2013 in Washington City. (Photo by Daniel Boczarski/Entertainment/Getty Images)

Sofia Vergara, in Vera Wang and stunning Lorraine Schwartz jewels, carrying a Judith Leiber Couture clutch, arrives at the 65th Annual Primetime Emmy Awards held at Nokia Theatre L.A. Live on September 22, 2013 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

Kate Middleton, in Jenny Packham, attends The Tusk Conservation Awards at The Royal Society on September 12, 2013 in London, England (Getty)

Actress Kate Hudson, in Reem Acra, is wearing Diamonds from the Tiffany & Co. 2013 Blue Book Collection as she attends the Tiffany & Co. Blue Book Ball at Rockefeller Center on April 18, 2013 in New York City. (Photo by Dimitrios Kambouris/Entertainment/Getty Images for Tiffany & Co.)

Actress Jennifer Aniston, in Valentino, arrives at the Oscars at Hollywood & Highland Center on February 24, 2013 in Hollywood, California. (Photo by Gregg DeGuire/WireImage)

Amy Adams, in Elie Saab couture, attends the EE British Academy Film Awards at The Royal Opera House on February 10, 2013 in London, England. (Photo by Mike Marsland/WireImage)

Actress/singer Ariana Grande, in Dolce & Gabbana, arrives at the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Gregg DeGuire/WireImage)

Actress Diane Kruger, in Prabal Gurung, attends the season opening performance of Tchaikovsky’s ‘Eugene Onegin’ at The Metropolitan Opera House on September 23, 2013 in New York City. (Photo by Gary Gershoff/WireImage)

Emmy Rossum, in Carolina Herrera, attends the ‘Persol Magnificent Obsessions:30 Stories Of Craftsmanship In Film’ Opening at Museum of the Moving Image on July 10, 2013 in the Queens borough of New York City. (Photo by Michael N. Todaro/WireImage)

Jaimie Alexander, in Azzaro, at Thor The Dark World Premiere held at El Capitan Theatre in Hollywood, California on November 4th, 2013. (FameFlyNet, SplashNews)