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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. (Photo by Kevin Winter/Getty Images) ( 451832415 )

Singers R. Kelly Lady Gaga perform 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) ( 451832295 )

Ian Axel, left, and Chad Vaccarino, right, of A Great Big World perform with Christina Aguilera at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP) ( 2013 American Music Awards - Show )

Miley Cyrus performs at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP) ( 2013 American Music Awards - Show )

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. (Photo by Kevin Winter/Getty Images) ( 451833537 )

(L-R) Singer Lil Mama performs with singers Tionne "T-Boz" Watkins and Rozonda "Chilli" Thomas of TLC 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) ( 451840347 )

Host Pitbull speaks 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) ( 451850075 )

Singer Justin Timberlake, winner of the Favorite Soul/R&B Male Artist, Favorite Pop/Rock Male Artist, and Favorite Soul/R&B Album awards, poses in the press room during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Merritt/Getty Images) ( 451832689 )

From right, T-Boz and Chilli of the musical group TLC pose with Lil Mama backstage at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. (Photo by Jordan Strauss/Invision/AP) ( 2013 American Music Awards - Press Room )

Singer Zayn Malik of One Direction 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) ( 451850515 )

Recording artist Austin Mahone (L) and model/TV personality Kendall Jenner speak 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) ( 451827069 )

Singer Rihanna 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) ( 451817031 )

Singer Justin Timberlake (R) 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. (Photo by Kevin Winter/Getty Images) ( 451826041 )

Jennifer Lopez performs at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP) ( 2013 American Music Awards - Show )

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. (Photo by Kevin Winter/Getty Images) ( 451826081 )

Jennifer Lopez performs at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP) ( 2013 American Music Awards - Show )

Model Paulina Gretzky (L) and singer Ciara speak 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) ( 451825561 )

Model Paulina Gretzky (L) and singer Ciara speak 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) ( 451825531 )

Kelly Osbourne, left, and Nicole Richie present the award for favorite album - pop/rock at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP) ( 2013 American Music Awards - Show )

From left, Niall Horan, Zayn Malik, Liam Payne, Louis Tomlinson, and Harry Styles of musical group One Direction, accept the award for favorite album - pop/rock for "Take Me Home" at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP) ( 2013 American Music Awards - Show )

Musicians Joan Jett and Dave Grohl speak 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) ( 451810437 )

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. (Photo by Kevin Winter/Getty Images) ( 451815565 )

Tyler Hubbard, left, and Brian Kelley of the musical group Florida Georgia Line perform on stage at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP) ( 2013 American Music Awards - Show )

Rihanna accepts the award for favorite female artist - soul/R&B at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP) ( 2013 American Music Awards - Show )

Singer Rihanna (L) accepts the AMA Icon Award from mother Monica Braithwaite Fenty 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) ( 451817085 )

Singer Ariana Grande (L) 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) ( 451809601 )

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. (Photo by Kevin Winter/Getty Images) ( 451810129 )

Harry Styles of the musical group One Direction performs on stage at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP) ( 2013 American Music Awards - Show )

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. (Photo by Kevin Winter/Getty Images) ( 451809953 )

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. (Photo by Kevin Winter/Getty Images) ( 451809853 )

Singer Chris Daughtry and actress Kristen Bell speak 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) ( 451805903 )

Taylor Swift accepts the award for favorite album - country for "Red" at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP) ( 2013 American Music Awards - Show )

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) ( 451799777 )

Singer Lady Gaga attends the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Merritt/Getty Images) ( 451794751 )

Singers (L-R) Zayn Malik, Louis Tomlinson, Liam Payne, Harry Styles, and Niall Horan of One Direction attend the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Kempin/Getty Images) ( 451793287 )

Singer Taylor Swift attends the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Merritt/Getty Images) ( 451799413 )

Singer/actress Jennifer Hudson attends the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Kempin/Getty Images) ( 451799577 )

(L to R) Television personalities Kendall Jenner and Kylie Jenner attend the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Kempin/Getty Images) ( 451793165 )

Singer Miley Cyrus attends the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Kempin/Getty Images) ( 451794657 )

Singer Christina Aguilera attends the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Kempin/Getty Images) ( 451799969 )

TV personality Heidi Klum attends the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Merritt/Getty Images) ( 451793765 )

Recording artist Lil' Mama attends the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Kempin/Getty Images) ( 451825395 )

R. Kelly attends the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Kempin/Getty Images) ( 451793125 )

Singer Ke$ha attends the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Merritt/Getty Images) ( 451793357 )

Actress Naya Rivera attends the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Kempin/Getty Images) ( 451786575 )

Singer Katy Perry attends the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Merritt/Getty Images) ( 451784821 )

(L-R) Normani Kordei, Lauren Jauregui, Dinah Jane Hansen, Ally Brooke, and Camila Cabello of Fifth Harmony attend the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Merritt/Getty Images) ( 451785087 )

Singers Jordin Sparks and Jesse McCartney attends the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Kempin/Getty Images) ( 451779789 )

Television personality Giuliana Rancic attends the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Kempin/Getty Images) ( 451779861 )