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, who now appears on Tyler Perry's 'Sistas,' says he and Efron shared similar interests as teens on the sets of the Disney movies Alexandra Schonfeld is a features writer at PEOPLE.

The Minnesota Vikings defense once again prepared quite the nostalgic celebration dance during Sunday's 27–25 win over the Green Bay Packers. This week's iconic movie celebration came from the ...