On his holiday in St. Tropez, Zac Efron is partying with his friends

Zac Efron looked cool and comfortable as he spent time with friends in St. Tropez, where he's been relaxing in recent days, this weekend.

Zac Efron was joined by several gorgeous women as he enjoyed downtime on a yacht in St. Tropez this week. The High School Musical alum flashed his brawny biceps in a black T-shirt.