13. Paris Hilton
Can you believe this is a photo of Paris Hilton?!?
14. Selena Gomez
Wasn't Selena Gomez just the ultimate cutie?!?
15. Kelly Clarkson
Would you have ever guessed this high schooler would one day be named American Idol?!
16. Ashton Kutcher
Ashton Kutcher, back when he was an unknown youngster in Iowa. Still a handsome fella!
17. Cameron Diaz
Cameron Diaz, rocking that epic late '80s high school hair!
18. Taylor Swift
Do you think Taylor Swift wrote out potential diss lyrics in her yearbook pages?
Wait! There's more Celebrity Yearbook Photos! Just click "Next" below: