Zac Efron: Guys' Night In!

Zac Efron chats it up on his iPhone as he arrives at Olive Garden restaurant on Monday evening (June 29) in Calabasas, Calif.

After dinner, the 21-year-old Me & Orson Welles actor and a friend stopped off at a drug store to pick up some cold beverages. Sounds like a guys night in!

Over the weekend, Zac took some sailing lessons at Marina del Rey to prepare for his upcoming role in The Death and Life of Charlie St. Cloud.

10+ pics inside…