Her character is known for being the sex symbol of all of the cast members.
She is still hot as hell! Looks like the blonde who is by the way currently divorcing her second husband at the age of 35, is about to end up with no kids and plastic boobs! In 2003, she won a Teen Choice Award for her job as Bridget Hennessy on 8 Simple Rules, and she additionally featured as Billie Jenkins on Charmed in 2006.
Kaley is known for both her role of Penny and her beauty; she has model hundreds of times for show promotions and various other entities that spun off from The Big Bang Theory.