A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: Recording artist Meghan Trainor performs onstage during the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Rich Polk/Getty Images for iHeartRadio / Turner)Photo by: Rich Polk A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: Recording artist Justin Bieber accepts the award for 'Best Male Artist,' onstage during the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Rich Polk/Getty Images for iHeartRadio / Turner)Photo by: Rich Polk A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: (EDITORS NOTE: Image was shot in black and white. A color version is not available.) A view backstage at the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Charley Gallay/Getty Images for iHeartRadio / Turner)Photo by: Charley Gallay A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: (EDITORS NOTE: Image was converted from color to black and white.) Recording artists Iggy Azalea and Demi Lovato attend the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Frazer Harrison/Getty Images for iHeartRadio / Turner)Photo by: Frazer Harrison A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: Recording artists Bebe Rexha (L) performs onstage with G-Eazy during the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Rich Polk/Getty Images for iHeartRadio / Turner)Photo by: Rich Polk A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: Recording artists Wiz Khalifa (L) and Fetty Wap (2nd L) onstage during the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Rich Polk/Getty Images for iHeartRadio / Turner)Photo by: Rich Polk A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: Rapper Trey Songz speaks onstage during the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Rich Polk/Getty Images for iHeartRadio / Turner)Photo by: Rich Polk A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: Recording artist Fetty Wap (L) onstage during the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Rich Polk/Getty Images for iHeartRadio / Turner)Photo by: Rich Polk A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: (EDITORS NOTE: Image was converted from color to black and white.) Recording artist Justin Beiber attends the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Frazer Harrison/Getty Images for iHeartRadio / Turner)Photo by: Frazer Harrison A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: Recording artist Bebe Rexha performs onstage during the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Rich Polk/Getty Images for iHeartRadio / Turner)Photo by: Rich Polk A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: (EDITORS NOTE: Image was shot in black and white. A color version is not available.) Recording artist Iggy Azalea (C) attends the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Charley Gallay/Getty Images for iHeartRadio / Turner)Photo by: Charley Gallay A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: Recording artist Chris Brown performs onstage during the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Rich Polk/Getty Images for iHeartRadio / Turner)Photo by: Rich Polk A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: Recording artist Taylor Swift accepts the award for 'Best Tour' onstage during the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Rich Polk/Getty Images for iHeartRadio / Turner)Photo by: Rich Polk A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: (EDITORS NOTE: Image was shot in black and white. A color version is not available.) Actress Kat Graham attends the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Charley Gallay/Getty Images for iHeartRadio / Turner)Photo by: Charley Gallay A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: (EDITORS NOTE: Image was shot in black and white. A color version is not available.) Musician Nile Rodgers backstage at the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Charley Gallay/Getty Images for iHeartRadio / Turner)Photo by: Charley Gallay A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: (EDITORS NOTE: Image was shot in black and white. A color version is not available.) (L-R) Recording artists Joe Jonas, Cole Whittle, Nile Rodgers, JinJoo Lee and Jack Lawless backstage at the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Charley Gallay/Getty Images for iHeartRadio / Turner)Photo by: Charley Gallay A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: Recording artist Jason Derulo performs onstage during the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Rich Polk/Getty Images for iHeartRadio / Turner)Photo by: Rich Polk A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: Dancer Julianne Hough onstage during the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Rich Polk/Getty Images for iHeartRadio / Turner)Photo by: Rich Polk A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: Singer Demi Lovato (L) and musician Brad Paisley perform onstage during the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Rich Polk/Getty Images for iHeartRadio / Turner)Photo by: Rich Polk A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: (L-R) Singer Bono and musician The Edge of U2 accept the Innovator Award from musician Pharrell Williams onstage during the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Rich Polk/Getty Images for iHeartRadio / Turner)Photo by: Rich Polk A look back: iHeartRadio Music Awards 2016 INGLEWOOD, CALIFORNIA - APRIL 03: Actor Adam Rodriguez speaks onstage during the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Rich Polk/Getty Images for iHeartRadio / Turner)Photo by: Rich Polk