Bigger is always better when it comes to the iHeartRadio Music Festival, which just announced its blockbuster lineup for the monster 2-day concert event, slated for September 20 to 21 at the T-Mobile Arena in Las Vegas. Mainstage headliners include Miley Cyrus, Alicia Keyes, Tim McGraw, Chance the Rapper, Camila Cabello, Halsey, French Montana, Zac Brown Band and Mumford & Sons. #iHeartRadioMusicFestival #iHeartRadio #iHeartMedia #IHRMF https://www.instagram.com/p/ByTUGumAm_1/?igshid=gfbgvbhhdve












