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)

Taylor Swift presents a picturesque performance.  (Kevin Winter / Getty Images)

Taylor Swift performs.  (Kevin Winter / Getty Images)