Is Kaley Cuoco Dating 'Arrow' Star Paul Blackthorne?

Kaley Cuoco could have a new man in her life after splitting with her husband of almost two years, Ryan Sweeting, in September.

The 30-year-old Big Bang Theory actress is dating 46-year-old Arrow star Paul Blackthorne, Us Weeklyreports. "It's new, but she's really excited about it," an insider tells the magazine.

Reps for both Cuoco and Blackthorne declined to comment.

WATCH: Kaley Cuoco Sports Short Shorts on Night Out With Her Ex, Johnny Galecki

We do know that Cuoco and Blackthorne are at least good friends, as Cuoco Instagrammed a picture of herself supporting Blackthorne's conservation charity for wild elephants last month.

"Help my friend @paulblackthorne @airshepherd #KeepRhinosHorny," she wrote, proudly sporting his T-shirt.

Blackthorne also re-posted Cuoco's pic on his own Instagram, offering a chance for those buying the T-shirt to win one signed by Cuoco.

So what do we know about Cuoco's possible new man? Blackthorne is a British actor as well as an accomplished photographer, and has had roles on ER, 24, and Lipstick Jungle. He currently plays Detective Quentin Lance on Arrow. A source tells ET he was engaged a couple years ago, to a woman who is not a celebrity. He also dated Daryl Hannah in 2010.

Cuoco and Blackthorne also share the same agent, and aside from their television background, have a common passion for animals. Blackthorne's Instagram is filled with posts on his conservation efforts, including this pic of him sporting his own face on a T-shirt, reading, "Poach eggs, not elephants."

Last month, Cuoco hosted the All-Star Dog Rescue Celebration, and has made her love for animals -- specifically her six horses -- well-known.

"I ride horses five days a week whenever I can," she told Shape in September. "I have six horses, and they have been the biggest blessing in my life. Horseback riding is why I'm so centered, especially in this business. I wouldn't have my career without it."

WATCH: Kaley Cuoco Celebrates Her 30th Birthday With Her Furry Friends

Whether Cuoco's in a new relationship or not, it's safe to say she's looking better than ever. Watch the video below to see her flaunting her killer abs in nothing but a Calvin Klein bra top while promoting her upcoming appearance on Lip Sync Battle!

Kaley Cuoco Bares Her Toned Bod in a Bra and Cut-Off Shorts!

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