Zac Efron Shows Off His Calvin Klein Body Relaunch Trunks

Zac Efron showed off his white Calvin Klein under while filming a cameo appearance for Entourage with Jeremy Piven and a cute toddler. According to E! News, Zac filmed scenes for the show's upcoming sixth season at the Beverly Hills Niketown store on Tuesday morning.

Buy Calvin Klein Underwear like Zac's.