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.
Gwen Stefani of the band No Doubt performs with guitarist Tom Dumont (L) and bassist Tony Kanal during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena in Las Vegas, Nevada September 21, 2012.
Britney Spears and host Ryan Seacrest introduces a musical group.
Country music star Miranda Lambert performs.
Jon Bon Jovi performs with Richie Sambora.
South Korean rapper-singer Psy performs.
Rapper Lil Wayne performs.
Green Day lead vocalist and guitarist Billie Joe Armstrong (C) and band members perform.
Comedian Kathy Griffin introduces Swedish House Mafia.
Axwell, Steve Angello and Sebastian Ingrosso of Swedish House Mafia perform.
Rihanna (C) performs.
Olympic swimmer Ryan Lochte (L) and singer Miley Cyrus come onstage to introduce a performance.