The 2016 iHeartRadio Music Awards took over the Forum in Los Angeles on Sunday night. Hosted by Jason Derulo, the show saw performances from Zayn Malik, Fetty Wap and more, as well as big wins for Taylor Swift and Twenty One Pilots. Take a look at behind-the-scenes shots from the show.
Justin Bieber and Big Sean convened backstage at the show just a week after the rapper joined the singer at his Los Angeles show to perform their most recent collaboration, "No Pressure."
Wiz Khalifa was nominated for three awards at the Sunday ceremony for his collaboration with Charlie Puth, "See You Again."
U2's career and activism were honored with the Innovator Award.
The "Trap Queen" rapper performed his single "Again" on the iHeartRadio stage.
The singer and actor appeared on the show to present the Best Tour award to Taylor Swift.
The pop stars and best friends celebrated their wins together.
Fall Out Boy were nominated for Best Duo/Group of the Year.
The Chic guitarist joined the burgeoning funk-pop band to mash-up "Cake by the Ocean" with "Le Freak."
Cage the Elephant's "Cigarette Daydreams" was nominated for Alternative Rock Song of the Year.
Jason Derulo hosted and performed new single "If It Ain't Love" at the iHeartRadio Music Awards.
Rapper 2 Chainz presented at the show alongside Wiz Khalifa.
The singer and dancer won R&B Artist of the Year.
Hough recently starred as Sandy in Grease: Live.
G-Eazy performed "Me, Myself & I" with Bebe Rexha.
Hozier was nominated for Best New Artist at the iHeartRadio Awards.
Pharrell presented the Innovator Award to U2.