Zac Efron Runs Around Shirtless & Nearly Naked in These Amazing Photos!

Zac Efron runs around shirtless and in nude colored underwear to film a scene for Dirty Grandpa on Tuesday (April 28) in Tybee Island, Ga.

The 27-year-old actor filmed a naked scene that day, where he needed to cover his private area with a stuffed animal while running around talking on the phone. LOL! This movie looks amazing!

PHOTOS: Check out the latest pics of Zac Efron

Zac went shirtless earlier in the day on set as well – check out those photos in case you missed them!

25+ pictures inside of Zac Efron running around nearly naked on set…