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Fun fact. Gretchen is played by Kaley's sister Briana Cuoco

Kaley & Johnny - They crack me up

Big Bang Theory

Kaley Cuoco Evolution

one of my favorite scenes

jim parsons kaley cuoco

@Kaley Cuoco Lover tweets - "It's comforting to know when I fall asleep on set, I'm well taken care of."

Look! It's Kaley!

haha yepp!

Kaley Cuoco

- Sheldon

mind blown

Sheldon kissed Amy! :-D #TheBigBangTheory #Shamy

Sheldon

Sheldon Cooper Quotes

I laughed 'til I cried with this scene, lol

They were having fun wrong.

The Big Bang Theory's Jim Parsons, Kunal Nayyar, Kaley Cuoco, Simon Helberg, and Johnny Galecki

The Big Bang Theory

When was your last menstrual period