Take a look!
"Still crying," Kaley wrote on her Instagram. "Every part of this night has been perfection—just like you, [Karl Cook]. I love you forever!"
Aww, so sweet. Congrats to the happy couple!
STREAM: Full Episodes Of The Big Bang Theory On CBS All Access
Watch all-new episodes of The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.