WATCH The iHeartRadio Music Festival 2014 RIGHT HERE! Ryan Seacrest hosts.
Friday Night Lineup Includes: Taylor Swift, Motley Crue, Coldplay, Nicki Minaj,Ariana Grande, Zac Brown Band, Usher, Bastille and Steve Aoki.
Saturday Night Lineup Includes: One Direction, Iggy Azalea, Lorde, Paramore, Train, Weezer, 50 Cent, Calvin Harris, Eric Church, Ed Sheeran.
It’s all live from the MGM Grand Las Vegas Hotel.
The show begins at 10EDT/7PDT PM.