Zac Efron Shows Off His Amazing Abs

Zac Efron

Pacific Coast News

updated 03/15/2011 AT 1:00 PM ET

originally published 03/15/2011 AT 2:50 PM ET

Zac Efron hasn’t made a secret of his toned body, but the heartthrob took six-pack abs to a whole new level while preparing to play a marine in an upcoming flick – and put them on display while out and about in California recently.

“Zac put on 18 lbs. for his role in The Lucky One,” says a source. “Since then, he’s lost weight but he’s keeping up a fitness routine.”

Efron, who bulked up with the help of trainer Logan Hood, kept his diet in check by following healthy eating tips from nutritionist David Allan. Also a factor in his toned physique: During mealtimes the actor, 23, turned to Z.E.N. Foods, an L.A.-based meal delivery service.


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