The annual music shindig will run for two days, kicking off with the Main Festival on September 20 and closing with Festival Village the following day.
The lineup for this year's iHeartRadio Music Festival has officially been announced. To take place at Las Vegas' MGM Grand Arena on September 20 - 21, the gig will house performances by the likes of Katy Perry, Miley Cyrus and Justin Timberlake.
Fans are expected to hear some new music from those three musicians as they are prepping a new album each. Katy is working on her "Teenage Dream" follow-up, Miley is finishing her next installment after "Can't Be Tamed", and JT is putting together his "The 20/20 Experience" sequel.
The Main Festival on Friday will feature JT, Katy, J. Cole, Sir Elton John, Muse, DJ Tiesto, Chris Brown, Keith Urban, Fun., Miguel, Bruno Mars, Phoenix, Zedd, Maroon 5, Tim McGraw, Ke$ha, Thirty Seconds to Mars, Benny Benassi, and Queen with Adam Lambert.
Festival Village the next day will be headlined by Miley, The Wanted, Jason Derulo, The Band Perry, Avril Lavigne, Krewella, Cher Lloyd, twenty one pilots, Pete Tong, AWOLNATION and Ne-Yo.
The two-day concert will broadcast live across Clear Channel stations and then air on CW on Sepember 30 and October 1.