Congratulations To Kaley Cuoco And Karl Cook On Their Engagement!

The Big Bang Theory star took to social media to share the big news.

This week, The Big Bang Theory's own Kaley Cuoco ("Penny") and her boyfriend Karl Cook announced their engagement on social media, including a photo of Kaley's engagement ring.

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!

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