High School Musical graced our TV screens almost 20 years ago, but some fans are only just realising one strange thing about ...

High School Musical will celebrate its 20th birthday next year, but it turns out even die-hard fans are still learning little ...

Ashley Tisdale still thinks about East High School now and then. The actress' older daughter, who's still a toddler, just ...

Ashley Tisdale reveals that her daughter watched High School Musical and thought Zac Efron was her dad, and the actor cites ...

Throughout the High School Musical movies, Tisdale's Sharpay lusts after Efron's Troy, in hopes they will have a romantic and ...

To clarify, Tisdale's daughter doesn't think actual, current day Zac Efron is her long-lost father, but that young High ...

Marie Arnoult/WireImage Ashley Tisdale’s daughter is a Troy Bolton fan. While a guest on the "Breaking Beauty" podcast, ...

and a few other defensive backs broke out into a perfectly synchronized dance from the beloved 2006 Disney classic "High School Musical." Zac Efron, who skyrocketed to fame as Troy Bolton in the ...

Find out what happened when Ashley Tisdale and Christopher French's eldest daughter Jupiter watched High School Musical and ...

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.