We guess they really are all in this together: It looked like a East High School pep rally Monday, as High School Musical beauty Vanessa Hudgens celebrated turning 21 with her HSM co-stars at a birthday dinner at Hollywood's EAST restaurant.
Hudgens was snapped hand-in-hand with her gorgeous boyfriend Zac Efron. Other Disney channel divas present for the festivities were Selena Gomez and Ashley Tisdale.
- Hollywood Comeback: Bourdain Ex Asia Argento Cast in Gangster Film After Admitting to Sex With Underage Boy, Attempted Cover-Up
- Pitt Exposed: Brad Accused of 'Volatile' Behavior on 'Legends of the Fall' Set by Film's Director
- Tim Allen Slammed by Costar Casey Wilson, Accused of Being 'So F------ Rude' on 'Santa Clauses' Set
Hudgens co-stars with Neil Patrick Harris and Mary-Kate Olsen in Beastly, which hits theaters July 30, 2010.