Zac Efron Shows-Off His Rock-Hard Body, Nuzzles Co-Star at

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Zac Efron Details Shocking Transformation in The Iron Claw

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Zac Efron's 'Iron Claw' transformation continues to impress

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Zac Efron Shows Off Wrestler's Body He Built for 'The Iron Claw

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Zac Efron looks extremely muscular on the set of The Iron Claw: ohnotheydidnt — LiveJournal

Zac Efron Gets Shredded to Work With The Rock - Muscle & Fitness