EXCLUSIVE_ A Shirtless Zac Efron showed off his six pack abs while trying sneak in an early morning swim with his brother Dylan.

EXCLUSIVE_ A Shirtless Zac Efron showed off his six pack abs while trying sneak in an early morning swim with his brother Dylan. The teen heartthrob is in Maui_ Hawaii to receive the Maui Film Festival_s Shining Star Award in an opening_night tribute at the Celestial Cinema on Wednesday_ June 16th_ 2010.

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Pictured_ Zac Efron

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Picture by_ Dave _ Splash News_BR__

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