Zac Efron: Shirtless on Fourth of July!

Zac Efron celebrates Independence Day with a group of pals at a celebration on the beach on Monday (July 4) in Malibu, Calif.

The 23-year-old actor went shirtless and wore camouflage shorts for a party with friends.

Over the weekend, Zac came out for pal and High School Musical co-star Ashley Tisdale‘s 26th birthday, where he splashed in the water and even gave her a piggyback ride on the beach!

Zac was also recently spotted going out to lunch with friends at Umami Burger in Studio City, Calif.