High School Musical just hit its 20th anniversary and the nostalgia is real! The cast is sharing throwbacks and fans are freaking out about how fast time flies. Ashley Tisdale even tried on Sharpay’s iconic outfits, and Vanessa Hudgens dropped behind-the-scenes pics. Social media is full of people realizing HSM is now officially 'vintage.' Ready for a rewatch? Disney+ has you covered. Wildcat pride forever! #Education #HighSchoolMusical #HSM20