Photos: iHeartRadio Music Awards 2016

Justin Bieber, Taylor Swift and Demi Lovato were all part of the iHeartRadio Music Awards at The Forum.

(Left - Rich Polk/Getty Images / Center - Jesse Grant/Getty Images / right - Chris Pizzello/Invision/AP)

April 3, 2016 9:10 PM PT

JinJoo Lee, left, Joe Jonas, second from right, and Cole Whittle, right, of DNCE perfom “Cake by the Ocean” and “Le Freak” with special guest Nile Rodgers.

(Chris Pizzello / Invision / Associated Press)

Recording artist Justin Bieber accepts the award for Best Male Artist.

(Rich Polk / Getty Images for iHeartRadio / Turne)

Recording artist and producer Pharrell Williams

(Rich Polk / Getty Images for iHeartRadio / Turne)

Iggy Azalea performs “Team” at the iHeartRadio Music Awards on Sunday at the Forum.

(Chris Pizzello / Invision )

Recording artist Zayn Malik performs.

(Rich Polk / Getty Images for iHeartRadio / Turne)

Demi Lovato, left, and Brad Paisley perform “Stone Cold.”

(Chris Pizzello / Invision / Associated Press)

Recording artist Justin Timberlake introduces Taylor Swift.

(Jason Kempin / Getty Images for iHeartRadio / Turner)

Taylor Swift accepts the award for best tour.

(Chris Pizzello / Invision / Associated Press)

Rapper Fetty Wap performs.

(Jason Kempin / Getty Images for iHeartRadio / Turner)

Selena Gomez accepts the award for triple threat for her career as a singer, actress and dancer.

(Chris Pizzello / Invision / Associated Press)

Meagan Goode introduces a performance by Meghan Trainor.

(Chris Pizzello / Invision / Associated Press)

Meghan Trainor performs.

(Jason Kempin / Getty Images for iHeartRadio / Turner)

Meghan Trainor poses with her backup dancers backstage.

(Frazer Harrison / Getty Images for iHeartRadio / Turner)

Justin Bieber performs “Love Yourself” and “Company.”

(Chris Pizzello / Invision / Associated Press)

Recording artist Jason Derulo strikes an angular pose.

(Jason Kempin / Getty Images for iHeartRadio / Turner)

Demi Lovato arrives at the Forum.

(Richard Shotwell / Invision / Associated Press)

Julianne Hough, left, and Derek Hough, Taylor Swift and Chris Brown.

(Left - Richard Shotwell/Invision/Associated Press / Center - Jesse Grant/Getty Images for iHeartRadio / Turner / Right - Frederick M. Brown/Getty Images)

Wiz Khalifa, Cheryl Burke, Diplo and Meagan Goode.

(Left - Richard Shotwell/Invision/AP; 2nd left - Frazer Harrison/Getty Images for iHeartRadio; 2nd right - Frederick M. Brown/Getty Image; right - Frazer Harrison/Getty Images for iHeartRadio)

Actress Keke Palmer takes a selfie with TV personality Mario Lopez.

(Jonathan Leibson / Getty Images for iHeartRadio / Turner)

Cody Simpson, Jhene Aiko, Chris Daughtry and Bethany Mota.

(Left - Frazer Harrison/Getty Images for iHeartRadio / Turner; 2nd left - Frederick M. Brown/Getty Images; 2nd right and right - Richard Shotwell/Invision/AP)