TOWIE's Jasmin has been dating Ex On The Beach's Ross since last spring but was snapped cuddling up to Ryan at an event earlier this week.
And, adding salt to the wound, Ryan decided to forward the photo straight to Ross!
Posting the shot on Twitter, he joked: "Me and your misses had a great night @rossworswick." Ouch!
Thankfully though, it appears Ross took it in good grace and was able to see the funny side of Ryan draping his arms around his girlfriend...
He replied: "@ryanjamesthomas looks more like your [girlfriend] in that pic, hahaha hope you're good mate x."
Reality stars Jasmin and Ross were first linked together in April 2014 after meeting on the red carpet at the London film premiere of Plastic.
Since then, the couple have enjoyed a sun-kissed trip to Marbella and a romantic holiday in Paris.
Given how loved-up they are, we don't think Ross has anything to worry about.
Cheeky Ryan for stirring the pot!
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