Photos: American Music Awards 2014 | Show highlights

Recording artist Jennifer Lopez takes the stage in the night’s final performance. (Kevin Winter / Getty Images)

Recording artists Niall Horan, left, Harry Styles, Liam Payne, Zayn Malik and Louis Tomlinson of One Direction accept the Artist of the Year award. (Kevin Winter / Getty Images)

Recording artists Jessie J, left, Nicki Minaj and Ariana Grande perform their hit “Bang Bang.” (Kevin Winter / Getty Images)

Fergie sings onstage, posing next to DJ Mustard. (Kevin Winter / Getty Images)

Fergie and her dancers perform. (Kevin Winter / Getty Images)

Taylor Swift accepts the Dick Clark Award for excellence. (Matt Sayles / Invision / Associated Press)

Diana Ross, left, presents the Dick Clark Award for Excellence to Taylor Swift. (Kevin Winter / Getty Images)

Skylar Grey, left, and Nicki Minaj perform at the 2014 American Music Awards. (Kevin Winter / Getty Images)

Christina Milian and Lil Wayne perform. (Kevin Winter / Getty Images)

Louis Tomlinson, left, Liam Payne, Harry Styles, Zayn Malik and Niall Horan of One Direction. (Kevin Winter / Getty Images)

Donnie Wahlberg and Jenny McCarthy present the award for favorite pop/rock album. (Matt Sayles / Invision / Associated Press)

Actress-dancer Julianne Hough (Kevin Winter / Getty Images)

Artist-actress Selena Gomez performs. (Kevin Winter / Getty Images)

Lorde performs. (Kevin Winter / Getty Images)

Luke Hemmings of the group 5 Seconds of Summer. (Matt Sayles / Invision / Associated Press)

Recording artist Ne-Yo, left, and host Pitbull take to the stage. (Kevin Winter / Getty Images)

Recording artists Wayne Sermon, left, Ben McKee, Daniel Platzman and Dan Reynolds of Imagine Dragons accept the Favorite Alternate Artist award. (Kevin Winter / Getty Images)

Ariana Grande sings. (Kevin Winter / Getty Images)

The Weeknd performs. (Matt Sayles / Invision / Associated Press)

TV personalities Khloe Kardashian, left, Kendall Jenner and Kylie Jenner speak onstage. (Kevin Winter / Getty Images)

Dan Reynolds of Imagine Dragons performs. (Matt Sayles / Invision / Associated Press)

Recording artist Iggy Azalea performs at the 2014 American Music Awards. (Kevin Winter / Getty Images)

Iggy Azalea is surrounded by her dancers. (Kevin Winter / Getty Images)

Jhene Aiko, left, and Meghan Trainor present the award for Favorite Country Male Artist. (Matt Sayles / Invision / Associated Press)

Luke Bryan accepts the Favorite Country Male Artist award. (Kevin Winter / Getty Images)

Sam Smith performs. (Kevin Winter / Getty Images)

Host Pitbull addresses the audience. (Matt Sayles / Associated Press)

Iggy Azalea and T.I. accept the Favorite Rap/Hip-Hop Album award for “The New Classic.” (Kevin Winter / Getty Images)

Annalise Bishop and actor Jamie Foxx present an award. (Kevin Winter / Getty Images)

Nasri of the musical group Magic!, left, and Wyclef Jean perform. (Matt Sayles / Invision / Associated Press)

Wyclef Jean presents a reggae performance. (Kevin Winter / Getty Images)

Actor Ansel Elgort (Kevin Winter / Getty Images)

Michael Clifford of 5 Seconds of Summer (Kevin Winter / Getty Images)

Recording artist Charli XCX performs. (Kevin Winter / Getty Images)

Charli XCX performs with her dancers. (Matt Sayles / Invision / Associated Press)

Patrick Dempsey presents the award for pop/rock band, duo or group. (Matt Sayles / Associated Press)

Harry Styles, left, Niall Horan, Liam Payne, Louis Tomlinson and Zayn Malik of One Direction accept the Favorite Pop/Rock Band/Duo/Group award as the first prize of the night. (Kevin Winter / Getty Images)