Happy 30th birthday, Penny.
7 things you didn't know about Kaley Cuoco
Kaley Cuoco on 'Big Bang Theory' Pixie Cut: 'Worst Decision
Kaley Cuoco Thanks Boyfriend Who 'Saved Her' In Birthday Tribute
Kaley Cuoco Updates Fans on Painful Mommy Wrist Condition - Baby Chick
Kaley Cuoco on Why She Doesn't Regret Any of Her Plastic Surgeries
Kaley Cuoco on Why She Doesn't Regret Any of Her Plastic Surgeries
Kaley Cuoco and Johnny Galecki's Relationship: A Look Back
The Untold Truth Of Kaley Cuoco
Kaley Cuoco: Once the highest paid actress on television, she has never cared about fame. Now it matters even less, Culture
The Big Bang Theory: What Happened To Kaley Cuoco And The Rest Of The Cast?
Kaley Cuoco: a Career Overview of 'the Big Bang Theory' Actress
Kaley Cuoco says 'Big Bang Theory' pixie cut was 'worst decision
The Big Bang Theory: 10 Things To Know About Galecki & Cuoco's Friendship
See Kaley Cuoco's rare, candid polaroids from the set of The Big Bang Theory
Photos from Kaley Cuoco's Romantic History