From Geek to Chic

Some of your favorite Hollywood stars weren't always coiffed and fabulous. In fact, celebs such as Vin Diesel suffered through the awkward phase just like the rest of us. Check out photos of the stars long before they became household names – and before they got up-close-and-personal with their stylists.

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PRE-DIDDY

In a 1987 senior-year photo at Mount St. Michael Academy in the Bronx (left), Sean Combs is the furthest thing from a hip-hop player. Fast-forward to an Oscar party in 2002 (right), and a shaded P. Diddy is all black-tie cool.