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Singer Justin Bieber performs during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas. Bieber was booed by the audience during his performance.
Credit: Ethan Miller/Getty Images
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Singer/actress Miley Cyrus arrives at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Jason Merritt/Getty Images
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Singer Psy arrives at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: David Becker/Getty Images
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Singer Shania Twain arrives at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: David Becker/Getty Images
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Chad Kroeger of Nickleback and Avril Lavigne arrive at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Jason Merritt/Getty Images
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Retired boxer Mike Tyson arrives at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: David Becker/Getty Images
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Castmembers of Ka arrive at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Jason Merritt/Getty Images
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Singer Carly Rae Jepsen arrives at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: David Becker/Getty Images
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SkyBlu of LMFAO arrives at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: David Becker/Getty Images
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Singer Chris Brown performs during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Taylor Swift performs during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas. Swift won the most awards out of any performer that night, taking home eight trophies.
Credit: Ethan Miller/Getty Images
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Recording artist Nicki Minaj performs during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Z-LaLa arrives at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: David Becker/Getty Images
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Actress Alyssa Milano and David Bugliari arrive at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: David Becker/Getty Images
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Singer Bruno Mars performs during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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DJ David Guetta performs during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Rapper Nicki Minaj and rapper Lil Wayne perform during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Singer Jennifer Lopez performs during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Donna Grantis, Prince and Ida Nielson perform during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Singer Madonna accepts the award for touring artist of the year with musician will.i.am during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Actress Chloe Grace Moretz speaks during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Musician Ed Sheeran performs during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Singer Miguel performs during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Pitbull, Morten Harket of A-ha and Christina Aguilera perform during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Singer Selena Gomez performs during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Presenters Brian Kelley and Tyler Hubbard of Florida Georgia Line speak during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Singers Caroline Hjelt and Aino Jawo of Icona Pop perform during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Actress/singer Ariana Grande arrives at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Jason Merritt/Getty Images
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Singer Jennifer Nettles arrives at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Jason Merritt/Getty Images
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Singer Nicki Minaj arrives at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Jason Merritt/Getty Images
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Host Tracy Morgan speaks during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Celine Dion poses in the press room during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Jason Merritt/Getty Images
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Singer Kimberly Perry and musician Neil Perry of The Band Perry perform during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Singer Miley Cyrus speaks during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Ethan Miller/Getty Images
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Actress Jenny McCarthy arrives at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Jason Merritt/Getty Images
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Jennifer Lopez and Casper Smart arrive at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: David Becker/Getty Images
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Wiz Khalifa and Amber Rose arrive at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Jason Merritt/Getty Images
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Madonna poses in the press room during the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Jason Merritt/Getty Images
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Singer Ke$ha arrives at the 2013 Billboard Music Awards on May 19, 2013, in Las Vegas.
Credit: Jason Merritt/Getty Images
