Jason LaVeris/FilmMagic
Meghan Blalock
Nov 30, 2012 @ 10:15 am

Kaley Cuoco, The Big Bang Theory's token hot girl, turns 27 today! The actress got her start at six years old (she starred in Barbie ads as a kid!), and went on to star in 8 Simple Rules before landing her gig as the struggling-actress/Cheesecake Factory waitress Penny, the female foil to a group of endearingly awkward boys on her hit CBS show. Here's to hoping she has a fabulous day that goes off with, yes, a big bang!Plus, see how to get Kaley's radiant skin.

MORE:More Celebrity Skincare TipsKaley's Winter WhitesKaley on the SAG Awards Red Carpet

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