Paula Abdul

Before she was dancing opposite MC Skat Kat and fake-feuding with Simon Cowell at the American Idol judges table, Paula Abdul was kind of, well, a geek.

Check out more photos of Paula Abdul

In an old photo from her days at Van Nuys High School, Abdul can be seen mixing chemicals in the lab — which makes sense since she was part of the science club, as well as the debate club and student body president.

So what other famous celebrities are former nerds? Who donned braces and thick-framed pink glasses? And who rocked some serious bangs? Check out this gallery from Snakkle to see old photos of Elisabeth Hasselbeck, Jennifer Garner and more.