Kaley Cuoco's Boyfriend Karl Cook Cuddles Up to Her Ex Johnny Galecki: 'Get Off My Man!'

Kaley Cuoco and her Big Bang Theory costar Johnny Galecki have remained close friends since splitting in 2010

Kaley Cuoco and Johnny Galecki have proven they’re the friendliest exes — and now Cuoco’s boyfriend wants in on the fun, too.

The Big Bang Theory star took to Instagram on Tuesday to share a photo of a hilarious exchange that went down when her beau Karl Cook came to visit her on set.

“Ummmmmm then this happened,” she captioned a photo of Cook, whom she’s been seeing for almost a year, cuddling up to her ex-boyfriend Galecki, whom she previously dated for two years before breaking things off in 2010.

“@sanctionedjohnnygalecki get off my man!” she quipped with a crying-tears-of-laughter emoji.

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Of course, it was all in good fun, and Cuoco, 31, also shared an adorable photo of her and Cook, 26.

“Can you tell I [love] when this guy comes to visit me at work?!” she captioned the shot of herself planting a kiss on his cheek.

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Despite the potential awkwardness of working together after dating in real life, Cuoco and Galecki, 41, have remained close friends since their breakup, and even had to shut down rumors of a rekindled romance following Cuoco’s 2015 divorce from tennis player Ryan Sweeting.

These days, the actress couldn’t be happier with her beau Cook, who is a professional equestrian.

“I’m so happy. I can’t stop smiling. Life is so so good,” she said on The Talk last fall. “We met at a horse show. I finally found my horse guy! It was very meant to be.”

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