Zac Efron has showed off his incredible physique over the years. See some of his best shirtless pics here.
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Zac Efron — What A Stud Shirtless!
![Zac Efron — What A Stud Shirtless!](http://hollywoodlife.com/wp-content/uploads/2016/01/zac-efron-rex-gallery-04.jpg?w=680)
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Zac Efron shirtless while vacationing in Mexico
![Zac Efron shirtless while vacationing in Mexico](http://hollywoodlife.com/wp-content/uploads/2016/01/zac-efron-shirtless-backgrid.jpg?w=680)
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Zac Buffing Up For ‘Baywatch’
![Zac Buffing Up For ‘Baywatch’](http://hollywoodlife.com/wp-content/uploads/2016/01/zac-efron-abs-splash-gallery-01.jpg?w=680)
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Zac Efron Emerges From The Water
![Zac Efron Emerges From The Water](http://hollywoodlife.com/wp-content/uploads/2016/01/zac-efron-rex-gallery-02.jpg?w=680)
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Nice Job Rita Ora!
![Nice Job Rita Ora!](http://hollywoodlife.com/wp-content/uploads/2016/01/zac-efron-rex-gallery-03.jpg?w=680)
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Zac Efron During ‘Neighbors’
![Zac Efron During ‘Neighbors’](http://hollywoodlife.com/wp-content/uploads/2016/01/zac-efron-rex-gallery-05.jpg?w=680)