Kendall Jenner arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Nick Jonas arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Paula Abdul arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Tove Lo arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Wiz Khalifa arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Avi Kaplan, from left, Mitch Grassi, Scott Hoying, Kirstie Maldonado, and Kevin Olusola of Pentatonix arrive at the American Music Awards. (Jordan Strauss/Invision/AP)
Wilmer Valderrama arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Tyga arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Trevor Moran arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Terry Crews arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Rebel Wilson arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (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. (Jordan Strauss/Invision/AP)
Norman Reedus arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Nina Dobrev arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Meghan Trainor arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Meghan Rienks arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Philip Sweet, from left, Kimberly Schlapman, Karen Fairchild and Jimi Westbrook of Little Big Town arrive at the American Music Awards. (Jordan Strauss/Invision/AP)
Kylie Jenner arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Kat Graham arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Justin Bieber arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Julianne Hough arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Jenny McCarthy, left, and Donnie Wahlberg arrive at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Gwen Stefani arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Hailee Steinfeld arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Ellie Goulding arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Hannah Davis arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Christina Milian arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Gigi Hadid arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Brittney Marie Cole, from left, Brian Kelley and Tyler Hubbard from Florida Georgia Line, and Hayley Stommel arrive at the American Music Awards. (Jordan Strauss/Invision/AP)
Jack Lawless, from left, JinJoo Lee, Joe Jonas, and Cole Whittle of DNCE arrive at the American Music Awards. (Jordan Strauss/Invision/AP)
Diplo, left, and Skrillex arrive at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Cameron Dallas arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Demi Lovato arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Ciara arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Chloe Grace Moretz arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Cheryl Burke arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Carrie Underwood arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Ashley Benson arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Alicia Silverstone arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Souleye, left, and Alanis Morissette arrive at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Shawn Mendes arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Lauren Jauregui, from left, Ally Brooke, Normani Hamilton, Camila Cabello and Dinah-Jane Hansen of Fifth Harmony arrive at the American Music Awards. (Jordan Strauss/Invision/AP)
Liam Payne, from left, Louis Tomlinson, Niall Horan, and Harry Styles of One Direction arrive at the American Music Awards. (Jordan Strauss/Invision/AP)
Zendaya arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Kevin Ray, from left, Sean Waugaman, Nicholas Petricca, and Eli Maiman of Walk The Moon arrive at the American Music Awards. (Jordan Strauss/Invision/AP)
Leon Bridges arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Ricky Garcia, from left, Emery Kelly, and Liam Attridge of Forever In Your Mind arrive at the American Music Awards. (Jordan Strauss/Invision/AP)
Z LaLa arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Michael Clifford, from left, Calum Hood, Luke Hemmings, and Ashton Irwin of Five Seconds of Summer arrive at the American Music Awards. (Jordan Strauss/Invision/AP)
Chloe Lukasiak arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Austin Rhodes, left, and Aaron Rhodes arrive at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Recording artist Selena Gomez attends the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California. (John Shearer/Getty Images)
Zuri Hall arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Terri Seymour arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Shad Moss arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Sabrina Carpenter arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Rocsi Diaz arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Rebecca Black arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Liz Hernandez arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Kerri Kasem arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Hayley Orrantia arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Giuliana Rancic arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Charlie Puth arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Bailee Madison arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
Frankie Grande arrives at the American Music Awards at the Microsoft Theater on Sunday, Nov. 22, 2015, in Los Angeles. (Jordan Strauss/Invision/AP)
What's your favorite pop star wearing at the American Music Awards? See all the incredible fashions from the AMAs red carpet.