Photos: 2015 American Music Awards

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

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)

Sam Hunt accepts the award for new artist of the year at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

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

Luke Bryan accepts the award for favorite male artist - country at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP) — Luke Bryan accepts the award for favorite male artist – country at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

An orchestra performs a tribute to “Star Wars” at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

Photo by Matt Sayles/Invision/AP

Harrison Ford introduces a performance by Pentatonix at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

Photo by Matt Sayles/Invision/AP

An orchestra performs a tribute to “Star Wars” at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

Photo by Matt Sayles/Invision/AP

Carrie Underwood accepts the award for favorite female artist - country at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP) — Carrie Underwood accepts the award for favorite female artist – country at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

The Weeknd poses in the press room with the awards for best soul/R&B male artist and favorite album - soul/R&B at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP) — The Weeknd poses in the press room with the awards for best soul/R&B male artist and favorite album – soul/R&B at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

The Weeknd accepts award for best soul/R&B male artist at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

Photo by Matt Sayles/Invision/AP

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

Photo by Matt Sayles/Invision/AP

Macklemore, left, and Leon Bridges perform at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

Nicki Minaj presents the award presents the award for favorite duo or group – pop/rock at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

Photo by Matt Sayles/Invision/AP

Ariana Grande poses in the press room with the award for favorite female artist – pop/rock at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Photo by Jordan Strauss/Invision/AP

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

Photo by Matt Sayles/Invision/AP

Charlie Puth, left, and Meghan Trainor perform at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

Photo by Matt Sayles/Invision/AP

Louis Tomlinson, left, and Harry Styles 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)

Photo by Matt Sayles/Invision/AP

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

Photo by Matt Sayles/Invision/AP

Harry Styles 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)

Photo by Matt Sayles/Invision/AP

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

Photo by Matt Sayles/Invision/AP

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

Luke Hemmings of 5 Seconds of Summer performs at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

Hannah Davis, left, and Wiz Khalifa introduce a performance by 5 Seconds of Summer at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

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

Photo by Matt Sayles/Invision/AP

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

Photo by Matt Sayles/Invision/AP

Prince, right, presents The Weeknd with the award for favorite album – soul/R&B for “Beauty Behind the Madness” at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

Photo by Matt Sayles/Invision/AP

Prince presents the award for favorite album – soul/R&B at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

Photo by Matt Sayles/Invision/AP

Ellie Goulding arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Photo by Jordan Strauss/Invision/AP

Nina Dobrev arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Photo by Jordan Strauss/Invision/AP

Gwen Stefani arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Photo by Jordan Strauss/Invision/AP

Luke Bryan arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Photo by Jordan Strauss/Invision/AP

Luke Bryan, from right, and Caroline Boyer arrive at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Photo by Jordan Strauss/Invision/AP

Wilmer Valderrama arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Photo by Jordan Strauss/Invision/AP

Jenny McCarthy arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Photo by Jordan Strauss/Invision/AP

Cameron Dallas, left, and Sierra Dallas arrive at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Photo by Jordan Strauss/Invision/AP

Cameron Dallas arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Photo by Jordan Strauss/Invision/AP

Ashley Benson arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Photo by Jordan Strauss/Invision/AP

Pete Wentz arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Photo by Jordan Strauss/Invision/AP

Alicia Silverstone arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Photo by Jordan Strauss/Invision/AP

Rebel Wilson arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Photo by Jordan Strauss/Invision/AP