Celebrity Yearbook Pictures

Graduation season is upon us! With Summer comes the end of the school year for colleges and high schools around the country, and to celebrate, we're looking back at many of our favorite celebrities during their old-school days. Tom Cruise's picture proves he was just as much of a heartthrob back in high school, while plenty of leading ladies got their starts before an audience as cheerleaders, including Cameron Diaz. Britney Spears was out on the hardwood herself playing with her basketball team, and Tom Cruise showed an early interest in action on the wrestling team. Plus, Blake Lively liked to joke around well before she nabbed a big-screen part.

Click through to see the stars back in the day — and congrats to all the grads out there!