Featuring performances from Rihanna, Sam Smith, Madonna, Jason Aldean & more
Enter now for your chance to win - We are calling out names every weekday!
The #MendesArmy is nominated for Best Fan Army at the 2015 iHeartRadio Music Awards!
Tune in this Sunday at 8/7c on NBC to see who wins!
AND check out the Top 10 Prom Dress Trends of 2105
Watch as iHeartRadio's Paul Costabile crashes the set!
20 items left in the Spring Auction - BID NOW!
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WATCH: Kid Steals The Show Dancing To 'Happy' At High School Basketball Game
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WATCH: Sean Hayes & Husband Lip Sync Iggy Azalea & Jennifer Hudson's 'Trouble'