7. NIKKI GRIFFIN

Hometown: Vicksburg
Claim to fame: You've probably seen her while flipping channels on a Sunday morning and didn't even realize it. The blonde beauty has guest starred in everything from The Young and the Restless, The O.C., How I Met Your Mother, and Entourage. Most recently, she starred opposite Kaley Cuoco in the straight-to-DVD comedy The Penthouse.