Featuring performances from Rihanna, Sam Smith, Madonna, Jason Aldean & more
Listen at 7:40a, 5:40p + 9:40p for your chance to win tickets!
The #MendesArmy is nominated for Best Fan Army at the 2015 iHeartRadio Music Awards!
Click here to cast your vote for your favorites!
Tune in this Sunday at 8/7c on NBC to see who wins!
Click here to check out the photos + videos!
Watch as iHeartRadio's Paul Costabile crashes the set!
See the photos now!
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2015 iHeartRadio Music Award Nominees
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