High School Musical 3: Senior Year

By:OK! Staff

Feb. 18 2009, Published 5:52 a.m. ET

(Walt Disney Studios Motion Pictures)

Starring: Zac Efron, Vanessa Hudgens

Disney’s mega-successful tween franchise peaks with the third installment. The gang prepares to leave East High amid song and dance routines while gearing up for the school’s musical, Senior Year.