Taylor Swift, Nicki Minaj, One Direction, Coldplay, Zac Brown Band and Iggy Azalea will play the Clear Channel’s fourth annual iHeartRadio Music Festival, set for Sept. 19-20 at Las Vegas’ MGM Grand Hotel & Casino.

Also on the bill are Usher, Ariana Grande, Motley Crue, Eric Church, Ed Sheeran, Train, Lorde, Calvin Harris, Bastille, and more.

Ryan Seacrest returns as host of the 2-day fest, which will air on stations in 150 Clear Channel markets, stream on Yahoo, and be condensed into a two-night prime time special on The CW, Sept. 29-30.