Kaley Cuoco & Karl Cook Engaged! Watch the Emotional Proposal Video

“Big Bang Theory” star Kaley Cuoco is getting married! Her boyfriend Karl Cook popped the question, and posted the emotional video on Instagram.

In the video, Kaley is in tears as she says, "We're engaged!"

Karl points out, "You still haven't said yes yet," and Cuoco gushes, "Yes! I say yes! I say yes!"

Cook included the caption, "Who knew my prior post was oracular. Well after nearly two years I finally got up the courage to ask her to marry me. This is the best night of my life and I think the video shows it is the best night for kaley as well.....of she said yes!!!!!"

The prior posted was a pic of him with Kaley at a department store and he's holding up a giant fake engagement ring.

The professional equestrian later shared a close up of the real ring, a giant sparkler from Nadis Diamonds. He praised the company, saying, “I am so so so happy. Thank you @nadis_diamonds for making the greatest ring I could hope for. Absolutely brilliant. Thank you thank you.”