Miley Cyrus, Alicia Keys, Cage the Elephant, Chance the Rapper and Camila Cabello will headline the 2019 iHeartRadio Music Festival, set for September 20, 2019 at T-Mobile Arena in Las Vegas. Def Leppard, Heart, Mumford & Sons, French Montana, Halsey, HER, Tim McGraw and the Zac Brown Band also lead the line-up. The Daytime Stage, held at the Las Vegas Festival Grounds on Saturday, will feature sets from Billie Eilish, Juice WRLD, Lauv, Old Dominion, Maren Morris, Zara Larsson, CNCO, Brett Young, FLETCHER, Monsta X and Bryce Vine, with others yet to be announced. General tickets go on sale from June 14 at 1pm via the AXS site, with tickets for the Daytime Stage available at Ticketmaster. Capitol One cardholders can access a special pre-sale that runs from June 11 at 1pm through June 13 at 1pm. Ryan Seacrest will continue his tenure as host for the festival, which promises “one-of-a-kind collaborations and surprise performances” during its two-day run.