American Music Awards show

  • Singers Pitbull (L) and Ke$ha perform onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Host Pitbull speaks onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Katy Perry performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Kevin Winter/Getty Images) KEVIN WINTER / GETTY IMAGES

  • Katy Perry performs on stage at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. John Shearer / John Shearer/Invision/AP

  • Singer Justin Timberlake accepts Favorite Pop/Rock Male Artist award onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Kevin Winter/Getty Images) KEVIN WINTER / GETTY IMAGES

  • Actress Zoe Saldana and singer Marc Anthony speak onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Ariana Grande performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Rihanna accepts the Favorite Soul/R&B Female Artist award onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Taylor Swift speaks onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singers Liam Payne (L) and Harry Styles of One Direction perform onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Dan Reynolds of Imagine Dragons performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singers (L-R) Liam Payne and Louis Tomlinson of One Direction accept the Favorite Pop/Rock Album award for 'Take Me Home' onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Justin Timberlake performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Ke$ha performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • From left, Zayn Malik, Liam Payne, Harry Styles, Louis Tomlinson, and Niall Horan of the musical group One Direction perform on stage at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. John Shearer / Invision/AP

  • Rapper Nelly performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Marc Anthony accepts the Favorite Latin Artist award onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Musicians (L-R) Dan Reynolds, Ben McKee, Dan Platzman, and Wayne Sermon of Imagine Dragons accept the Favorite Alternative Artist award onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Ariana Grande performs on stage at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. John Shearer / Invision/AP

  • Dan Reynolds of the musical group Imagine Dragons performs on stage at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. John Shearer / Invision/AP

  • Singer Rihanna performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Ke$ha (C) performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singers Ke$ha (L) and Pitbull perform onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singers (L-R) Niall Horan, Zayn Malik, Liam Payne, Louis Tomlinson, and Harry Styles of One Direction accept the Favorite Pop/Rock Album award for 'Take Me Home' onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Ke$ha performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Jennifer Lopez performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Jennifer Lopez performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Justin Timberlake (L) accepts the Favorite Soul/R&B Album award for 'The 20/20 Experience' from comedian Sarah Silverman onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Pitbull performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Jennifer Lopez performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Taylor Swift accepts the Favorite Pop/Rock Female Artist award onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Jennifer Lopez performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Best New Artist of the Year Ariana Grande poses in the press room at the 2013 American Music Awards at the Nokia Theatre L.A. Live in downtown Los Angeles, California, November 24, 2013. FREDERIC J. BROWN / AFP/Getty Images

  • Singer Lady Gaga performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Lady Gaga performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Rapper Kendrick Lamar performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Musician Avicii accepts the Favorite Electronic Dance Music Artist award onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer R. Kelly performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Lady Gaga performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singers R. Kelly (L) and Lady Gaga perform onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Luke Bryan accepts the Favorite Country Male Artist award onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Musician Ian Axel of A Great Big World (L) and singer Christina Aguilera perform onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Christina Aguilera performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singers R. Kelly (L) and Lady Gaga perform onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Miley Cyrus performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Luke Bryan onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Luke Bryan onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Miley Cyrus performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Miley Cyrus performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Singer Miley Cyrus performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. KEVIN WINTER / GETTY IMAGES

  • Rapper Nelly (C) with singers Tyler Hubbard (L) and Brian Kelley (R) of Florida Georgia Line, winners of Single of the Year for 'Cruise,' pose in the press room during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. JASON MERRITT / GETTY IMAGES