Kaley Cuoco is reportedly dating 'Arrow' star Paul Blackthorne.

Kaley Cuoco

Kaley Cuoco

The 'Big Bang Theory' actress - who split from professional tennis player Ryan Sweeting in September after just 21 months of marriage - is believed to have grown close to the 46-year-old British actor recently.

A source told Us Weekly: "It's new, but she's really excited about it. Kaley's doing great postdivorce."

While Kaley, 30, has not confirmed a romance with Paul, the pair are close friends and last month she took to Instagram to support his charitable initiative Air Shepherd, which is working to save rhinos from extinction.

Sharing a picture of herself wearing a T-shirt with the slogan 'Keep Rhinos Horny', she wrote: "Help my friend @paulblackthorne @airshepherd #KeepRhinosHorny (sic)."

Last month Kaley proved she is ready to move on when she had the tattoo that references her wedding to Ryan covered up.

She subsequently wrote on her Instagram account: "Thank you @nero_sct @studiocitytattoo for helping me right my wrongs...

"Note to self - do not mark your body with any future wedding dates #under30mistakes #donttakeyourselftooseriouslykids. (sic)"

Kaley also revealed she is "incredibly grateful" for the support she has received since splitting from Ryan.

She said: "I'm feeling completely overwhelmed with the outpouring of kindness and support from the people that surround me and from those I have never even met.

"I want you to know, I read all your comments and your sweet words have touched me deeply.

"I'm incredibly grateful for all your love as I start this next chapter in my life."

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