1. Axl Rose
The Guns N’ Rose frontman got his start in the vocal world by singing in the choir. Sha na na na na na na knees, knees!
4. Christina Hendricks
Takes a while to spot her in this photo, but when you do, it’s pure magic.
5. Katie Holmes
Now we know where she learned her truly impressive acting skills!
7. Warren Beatty
Acting legend Warren Beatty, engaging in some sort of frivolous leg kicking with his mates.
Back before she had a dollar sign in her name, Kesha was already practicing for the big time. Here she is performing as one of the Spice Girls with her girl friends.
Madonna was clearly bored with school and ready to get her career started in this high school pic.
12. Eva Mendez
She with the biggest hair wins, clearly.
13. Jessica Simpson
Practicing dance moves with a classmate - hopefully for a play and not for a dance.
14. Steve Carell
What’s more surprising? That Steve Carell played hockey or that he was that hunky back in the day?
15. Lady Gaga
Young Gaga back in the school uniform days. Who would’ve ever guessed she’d eventually be the one to bring pantlessness to the mainstream?