#HSM10: Then-and-Now Photos of the 'High School Musical' Cast

Wildcats, it's been ten years since High School Musical premiered on the Disney Channel! Can you believe it?! The cast is reuniting for their ten-year anniversary, and they've changed a lot since 2006. It's nostalgia time, and we're going way back to what the Vanessa Hudgens, Zac Efron, and more HSM stars looked like years ago — the jump is noticeable.

Click through to see then-and-now photos of the cast, and let us know if you miss the movie in the comments!