Celebs like Caroline Sunshine, Bella Thorne and Olivia Holt had fun prom experiences just last year, but celebs like Rihanna and Taylor Swift have had major style transformations since their days at high school dances. Other stars are barely recognizable in their throwback pics!
Some stylish girls like Lady Gaga were able to enjoy prom before they were ever famous, but longtime BFFs Demi Lovato and Selena Gomez actually crashed a high school prom together as teenagers so they could experience what it was like at a real high school dance!
Click through the gallery above to see tons of pics of your fave stars at prom. Which celeb's pic is most shocking? Drop us a comment below!