Watch iHeartRadio Music Festival 2015 Live Stream Online

Tonight airs the 2015 iHeartRadio Music Festival where some of the biggest artists in entertainment, including but not limited to Coldplay, The Killers, Kanye West, Kenny Chesney, Puff Daddy, Jennifer Lopez, Blake Shelton, The Weeknd, and Nick Jonas. The special airs tonight on Tuesday, September 29, 2015 as well as Wednesday, September 30, 2015 8:00-10:00 p.m. ET/PT. Check out all the performers on stage in the most awesome photos from the 2015 iHeartRadio Music Festival.