The stars were out in Los Angeles at the iHeartRadio Music Awards Sunday night. Hosted by Ryan Seacrest, the night featured performances by Katy Perry, Bruno Mars, Ed Sheeran, Shawn Mendes, The Chainsmokers and more.
Fresh off his recent number-one album, Big Sean brought a band, fireworks and dancers as he performed a medley of “Voices in My Head,” the Billboard smash "Bounce Back" and "Moves."