Rihanna, Taylor Swift and more at the iHeartRadio Music Festival

Slideshow posted in Photos | Monday, October 01, 2012

5 of 7: September 21, 2012 – Gwen Stefani of No Doubt and P!nk perform onstage during the 2012 iHeartRadio Music Festival at MGM Grand Garden Arena in Las Vegas, Nevada. ( Photo / Brian Friedman for Clear Channel.)