iHeart Music Festival Lineup

The end of summer is in September, but it’s looking to be the hottest month of the year, with the iHeartRadio Music Festival returning to Las Vegas on Sept. 21 and 22 with an all-star lineup.

Today (June 5) the lineup was released with Justin Timberlake, Jack White, Carrie Underwood, Mariah Carey, Imagine Dragons, Jason Aldean, Sam Smith, Luke Bryan, Lynyrd Skynyrd, Panic! at the Disco, Kelly Clarkson, Shawn Mendes, Kygo, Rae Sremmurd and Logic — with more still to be announced. The festival will also feature a special performance by Macy’s iHeartRadio Rising Star winner, which will be revealed on July 6.