Johnny Galecki & the 'Big Bang Theory' Cast Celebrate Kaley Cuoco's Wedding (PHOTOS)

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Instagram/@sanctionedjohnnygalecki
Instagram/Johnny Galecki
Instagram/@normancook
Instagram/Kaley Cuoco

It was a party from the start as Cuoco began the post-wedding festivities on her social media page with this photo and the caption, “Ok let’s party!!! #kcsquared”

Instagram/@normancook
Instagram/Kaley Cuoco

The couple’s wedding had an equestrian theme as they posed in this stable for pictures.

Instagram/@sanctionedjohnnygalecki
Instagram/Johnny Galecki

Cuoco’s onscreen husband, Johnny Galecki reveled in the celebration, and posted a sweet message to the newlyweds on his Instagram page. “Couldn’t be happier for my fake wife @normancook and @mrtankcook whose words brought us all to tears last night. So much love for you both,” he wrote.

Instagram/@sanctionedjohnnygalecki
Instagram/Johnny Galecki

Galecki didn’t just share a special moment with Cuoco, he also posted a separate message of praise for Cook.

Instagram/@itswilwheaton
Instagram/Wil Wheaton

Perpetual guest star Wil Wheaton was in attendance at the event, as he captioned his Instagram post, “Date night.”

Instagram/@missmayim
Instagram/Mayim Bialik

Mayim Bialik enjoyed the ceremony and gave the couple a shout out on social media. She shared a collage of images that included a sundae and Wil Wheaton.

Instagram/@normancook
Instagram/Kaley Cuoco

Couples that share initials stay together. Cuoco posted this gem, featuring jackets with the initials for their names, Kaley Cuoco and Karl Cook.

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On Saturday, June 30, The Big Bang Theory star Kaley Cuoco wed fiancé Karl Cook in a festive ceremony that also included her co-stars.

While not all were able to attend, Johnny Galecki, Mayim Bialik, and Wil Wheaton were all there to celebrate Cuoco and her big day. Between heartfelt messages and sentiments of pure joy, the cast had plenty to be happy about on social media.

Click through the gallery above to see how the stars toasted to the Cooks!