Vanessa Hudgens hosted a Halloween party we wish we were invited to -- because it turned out to be a total High School Musical reunion! See th ...

Inside the auditorium at The Arts Academy at Benjamin Rush High School in Northeast Philadelphia, students participated in the Halloween costume contest competition. 24/7 Live Philadelphia ...

2. Cady Heron from Mean Girls. If you want to dress like your favorite mean girl, look no further with this totally fetch outfit. Inspired by the cult classic teen movie, the musical Mean Girls ...

Costume designer María Aguilar talks PEOPLE through some of the biggest looks from season 4, including all the recreations of 'High School Musical 3' costumes Fred Hayes/Disney High School ...