A lot has changed since High School Musical debuted on Disney Channel Jan. 20, 2006. Head back to East High to find out what Zac Efron, Vanessa Hudgens, Ashley Tisdale and more stars are up to now.

The actor introduced his costars who then sang a rendition of "We're All in This Together" during the Disney Family Singalong special on ABC Thursday night Zac Efron appeared in The Disney Family ...

Zac Efron is on board to star in Three Men and a Baby, a remake of the 1987 comedy being made by Disney Nigel Smith is the Senior Movies News Editor for PEOPLE. He is an experienced culture editor ...