Her relationship with ex-husband Ryan Sweeting was one which she constantly documented on her Instagram account, but Kaley Cuoco seems to be taking a wildly different approach with her romance with Arrow star Paul Blackthorne.

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Cuoco has been rumored to be dating the actor since late last year, but there's been no photos or mention of him on her social media accounts--and the two haven't been spotted out in public together either, with Cuoco attending events with family, friends or alone.

Comparatively, after going public with Sweeting just before their engagement, Cuoco attended most events with her husband by her side, and often documented their relationship on her Instagram account. Even as rumors circulated that their marriage was in trouble, she posted defensive photos of him, saying that their relationship was fine.

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However, those posts were all deleted--as was virtually any trace of Sweeting--from her account, after they announced their divorce.

Since then, her rumored romance with Blackthorne has been very low-key. The only mention of him on Cuoco's Instagram had to do with a charity he supported to help end poaching two months ago.

 Help my friend @paulblackthorne @airshepherd #KeepRhinosHorny Buy Tee here https://represent.com/keeprhinoshorny in nxt 24 hrs 4 chance to win THIS T SHIRT signed by yours truly! (Link in my bio) Why Keep Rhinos Horny? Rhino poaching has increased massively in recent years. In 2007, 13 Rhinos were poached in South Africa. In 2014, 1200 Rhinos were poached. Presently a Rhino is being killed every 8 hours for its horn. Deaths will soon be overtaking births leading to one thing: EXTINCTION. The ridiculous thing about it, is that Rhino horn is made of the same thing as your FINGERNAILS. As far as I know fingernails don't cure cancer or make you the world's hottest lover, as is believed to be the case about Rhino horn in certain parts of the world (China, Vietnam, Thailand). I'm running this campaign because I want to help raise money for Air Shepherd. They have 'super computers' on the ground in South Africa that can predict the poachers' movements. They then send in drones to confirm that information. Once confirmed, they send in the Rangers and the poachers are arrested. Where the drones fly, the poaching STOPS. The more drones we get in the air, the more Rhinos we save. It's simple. 100% of the money raised from the Keep Rhinos Horny T-shirt is going to the Air Shepherd initiative. Thank you for your support. Paul

A photo posted by @normancook on Nov 26, 2015 at 3:23pm PST

However, despite the lack of documenting the relationship on social media, sources close to Cuoco have said that her new romance is going well, and that she's been happy since her split from Sweeting.

Her sister, Brianna, has even gone on the record to say that her sister is the best she's ever been.

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Kaley Cuoco