Swift, Coldplay set for festival
Taylor Swift, Coldplay and One Direction are part of the star-studded line-up for this year's iHeartRadio Music Festival.
Clear Channel announced that Ariana Grande, Nicki Minaj, Iggy Azalea and Ed Sheeran will also perform at the US festival, to be held September 19-20 at the MGM Grand Garden Arena in Las Vegas.
Tickets go on sale on July 26.
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.