Jun 18, - M for Violence, Sex, possibly Rape, and Language. Zac Efron. Vanessa Anne Hudgens. Ashley Tisdale . The groups were: Zac and Vanessa, Ashley and Lucas, Me and Monique, and Olesya, Chris, Ryne were the group. Oct 5, - Normally high school reunions aren't that fun, but a 'High School Musical' reunion? Omg! Zac Efron, Lucas Grabeel and Corbin Bleu got.