American Music Awards 2015

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Singers Niall Horan, Liam Payne, Harry Styles, Louis Tomlinson of One Direction perform onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

2015 American Music Awards - Show

Liam Payne, from left, Harry Styles, and Louis Tomlinson of One Direction perform at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

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Singer Harry Styles of One Direction performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Louis Tomlinson of One Direction performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Niall Horan of One Direction performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Liam Payne of One Direction performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singers Niall Horan, Liam Payne, Louis Tomlinson, and Harry Styles of One Direction perform onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Gwen Stefani performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Gwen Stefani performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

2015 American Music Awards - Show

Gwen Stefani performs “Used to Love You” at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

2015 American Music Awards - Show

Gwen Stefani performs “Used to Love You” at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

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Singer Ariana Grande performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Ariana Grande performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Ariana Grande performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

2015 American Music Awards - Show

Michael Clifford, from left, Luke Hemmings, Ashton Irwin, and Calum Hood, of 5 Seconds of Summer, perform at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

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Musician Michael Clifford performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Musician Luke Hemmings performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Musician Ashton Irwin performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Musician Calum Hood performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Chris Martin (C) and musicians (L-R) Jonny Buckland, Will Champion and Guy Berryman of Coldplay perform onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

2015 American Music Awards - Show

Chris Martin of Coldplay performs at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

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Singer Chris Martin of Coldplay performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

2015 American Music Awards - Show

Celine Dion performs at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

2015 American Music Awards - Show

Celine Dion performs at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

2015 American Music Awards - Show

Celine Dion performs at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

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LOS ANGELES, CA - NOVEMBER 22: Singer Celine Dion performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Justin Bieber performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Justin Bieber performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Justin Bieber (L) performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Justin Bieber performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Justin Bieber performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Justin Bieber performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Justin Bieber performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

2015 American Music Awards - Show

Avi Kaplan, from left, Kirstie Maldonado, Scott Hoying, Mitch Grassi, and Kevin Olusola of Pentatonix perform at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

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Host Jennifer Lopez speaks onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Demi Lovato performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Demi Lovato performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Demi Lovato performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Nick Jonas performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Nick Jonas performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

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Singer Selena Gomez (L) performs onstage during the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)