The two-day festival at the MGM Grand, which opened Friday, September 21, features an A-List lineup of stars including Taylor Swift, Aerosmith, Rihanna, Usher, Bon Jovi, Lil Wayne, Green Day, Swedish House Mafia, No Doubt, Pitbull, deadmau5, Miranda Lambert, Enrique Iglesias, Linkin Park, Psy, Jason Aldean, P!nk and Mary J. Blige.

The second-annual event is being aired through the iHeartRadio digital music platform and broadcast on Clear Channel radio stations. Fans can watch it live on Yahoo! and Xbox. – Text and photos by Agencies.