Zack Efron Wins 'Best Shirtless Performance'

Zac Efron won the award for "best shirtless performance" at the MTV music awards last night, but when he went to accept his award the crowd demanded he prove that he deserved the shirtless award. Rita Ora made sure he proved himself by tearing his shirt off and revealing Efron's ripped chest.

Check out Zac Efron shirtless below!

  

photo by: Getty Images

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