Zac Efron Supports "High School Musical" ReunionBy
Efron urges everyone to support its charitable cause.
Though Zac Efron won't be joining "High School Musical" co-stars Vanessa Hudgens and Lucas Grabeel at the reunion party in December, he is in full support of the cause behind it.
After five years, the cast is coming together to support Monique Coleman's GimmeMo' Foundation, which produces a talk show to help kids learn how to cope with bullies and other hardships. Take a look at Zac's throwback post.