I HEART RADIO MUSIC FESTIVAL IN LAS VEGAS

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TIMES SQUARE GOSSIP MUSIC

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PSY

Usher

Ryan Lochte

No Doubt

Miley Cyrus

Kathy Griffin

Green Day

Demi Lovato

The stars were snapped at the iHeart Radio Music Festival at the famed MGM Grand Resort in Las Vegas, Nevada.

 We are also hearing that our friend Elvis Duran scored a exclusive behind the scenes interview with Rihanna, that should air this upcoming week on Entertainment Tonight.

Photos By: RD / Kabik / Retna