Zac Efron Hangs Out Shirtless on the Beach with 'We Are Your Friends' Director Max Joseph

Zac Efron takes a quick moment to compare abs with director Max Joseph while shirtless in between filming We Are Your Friends on Tuesday (September 9) in Malibu, Calif.

The 26-year-old actor was also seen sitting down against a log filming a more emotional scene.

PHOTOS: Check out the latest pics of Zac Efron

The day before, Zac showed off his abs again as he lifted up his shirt during a break from shooting a fight scene in Studio City.

15+ pictures inside of Zac Efron on set of his latest movie…