Apr 28, - Zac Efron stepped out on the Georgia set of Dirty Grandpa on Tuesday, and all he was wearing was a pair of nude underwear. We thought we'd reached our peak of Zac perfection when he emerged in a crop top on Monday, but clearly, the undies take the cake. Zac has been getting back to. Oct 30, - Zac Efron's naked Shower scene in High School Musical 3 was deleted! The 'revealing' deleted scene is actually being sold on E-bay!