Singers Zayn Malik, Liam Payne, Harry Styles, Louis Tomlinson and Niall Horan 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. (Photo by Kevin Winter/Getty Images)
2013 American Music Awards - Show
Singers Liam Payne, Zayn Malik, Harry Styles, Louis Tomlinson and Niall Horan 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. (Photo by Kevin Winter/Getty Images)
2013 American Music Awards - Show
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. (Photo by Kevin Winter/Getty Images)
2013 American Music Awards - Show
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)
2013 American Music Awards - Show
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)
2013 American Music Awards - Show
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)
2013 American Music Awards - Show
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. (Photo by Kevin Winter/Getty Images)
2013 American Music Awards - Show
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. (Photo by Kevin Winter/Getty Images)
2013 American Music Awards - Show
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)
2013 American Music Awards - Show
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. (Photo by Kevin Winter/Getty Images)
2013 American Music Awards - Show
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)
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)
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)
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)
2013 American Music Awards - Show
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. (Photo by Kevin Winter/Getty Images)
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)
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)
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)
2013 American Music Awards - Show
Singer Luke Bryan 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)
2013 American Music Awards - Show
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)
2013 American Music Awards - Show
Singer Ke$ha performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
2013 American Music Awards - Show
Singers Ke$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)
2013 American Music Awards - Show
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)
2013 American Music Awards - Show
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)
2013 American Music Awards - Show
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)
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)
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)
2013 American Music Awards - Show
Recording artists Tyler Hubbard, Nelly, Ali Jones and Brian Kelly 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)
2013 American Music Awards - Show
Singer Brian Kelley of Florida Georgia Line 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)
2013 American Music Awards - Show
Dan Platzman and Dan Reynolds of Imagine Dragons 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)
