Zac & Vanessa's Movie Premiere Date Night

Zac Efron and Vanessa Hudgens had a very public date last night -- hitting up the premiere of Zac's new flick, "Charlie St. Cloud," in Westwood.

The couple, who met while filming "High School Musical," walked the red carpet together and signed autographs for fans.

Also at the premiere: Zac's co-star Amanda Crew, Brittany Snow, Kay Panabaker, Garcelle Beauvais and Dave Franco, James' hot actor brother.

The movie opens July 30.