Taylor Swift, Coldplay set to play iHeartRadio Music Festival in Las Vegas

Taylor Swift, Coldplay and One Direction are part of the star-studded lineup for this year's iHeartRadio Music Festival.

Clear Channel announced Wednesday that Ariana Grande, Nicki Minaj, Iggy Azalea and Ed Sheeran will also perform at the festival, to be held Sept. 19-20 at the MGM Grand Garden Arena in Las Vegas.

Tickets go on sale Saturday.

Other performers include Lorde, Usher, Motley Crue, Zac Brown Band, Paramore, Eric Church and Calvin Harris.

The festival, now in its fourth year, will broadcast live across Clear Channel radio stations.