American Music Awards 2013: Red carpet

Taylor Swift attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013 in Los Angeles.

Miley Cyrus

Miley Cyrus attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Katy Perry

Katy Perry attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

One Direction

From left, Zayn Malik, Louis Tomlinson, Liam Payne, Harry Styles, and Niall Horan of the musical group One Direction arrive at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Jordin Sparks

Jordin Sparks attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Ke$ha

Ke$ha arrives at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Kendall Jenner and Kylie Jenner

Kendall Jenner, left, and Kylie Jenner arrive at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Lady Gaga

Lady Gaga attends the 2013 American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Lady Antebellum

From left, Charles Kelley, Hillary Scott and Dave Haywood of Lady Antebellum attend the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013,in Los Angeles.

Lance Bass

Lance Bass attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Joan Jett

Joan Jett attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Ariana Grande

Ariana Grande attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Heidi Klum

Heidi Klum attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Jenna Ushkowitz

Jenna Ushkowitz arrives at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Kelly Osbourne

Kelly Osbourne arrives at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Jesse McCartney

Jesse McCartney attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

The Ceremonies

Matthew R. Cook, Michael B. Cook and Mark N. Cook of The Ceremonies attend the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Jake Owen

Jake Owen arrives at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Fifth Harmony

Members of Fifth Harmony, from left, Normani Kordei, Lauren Jauregui, Dinah Jane Hansen, Ally Brooke, and Camila Cabello arrive at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Jaimie Alexander

Actress Jaimie Alexander attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Calvin Harris

Calvin Harris attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Florida Georgia Line

Brian Kelly and Tyler Hubbard of Florida Georgia Line attend the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Naya Rivera

Naya Rivera attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Billy Ray Cyrus

Billy Ray Cyrus arrives at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Jennifer Hudson

Jennifer Hudson arrives at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

James Durbin and Heidi Lowe

James Durbin and wife Heidi Lowe attend the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Marc Anthony

Marc Anthony attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013 in Los Angeles.

Luke Bryan

Luke Bryan attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Zandaya

Zandaya attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

R. Kelly

R. Kelly arrives at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Alicia Silverstone

Alicia Silverstone arrives at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Nicole Richie

Nicole Richie attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Ciara

Ciara attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Wayne Newton

Wayne Newton arrives at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles.

Chilli and T-Boz

Chilli, left, and T-Boz of the musical group TLC arrive at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Chris Daughtry

Chris Daughtry arrives at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles.

Skylar Grey

Skylar Grey attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Zoe Saldana

Zoe Saldana arrives at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Lil Mama

Lil Mama arrives at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Casper Smart

Casper Smart arrives at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Sarah Silverman

Sarah Silverman arrives at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Christina Aguilera

Christina Aguilera arrives at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles.

Akon

Akon attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Nelly

Nelly attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Nathan Fillion

Nathan Fillion arrives at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Pete Wentz

Pete Wentz of Fall Out Boy attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Wiz Khalifa

Wiz Khalifa attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

2 Chainz

2 Chainz arrives at the American Music Awards at the Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Daisy Fuentes

Daisy Fuentes attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.

Trevor Jackson

Trevor Jackson attends the 2013 American Music Awards at Nokia Theatre L.A. Live on Nov. 24, 2013, in Los Angeles.