Jodie Kidd and her boyfriend will appear on the 'Your Face or Mine' Christmas special.
The 41-year-old model will put her relationship with her partner, ex-royal marine Joseph Bates, to the test in the festive special, hosted by comedians Jimmy Carr and Katherine Ryan.
During the show, Jodie jokingly turns the comparison line-up into 'Your Height or Mine' as she tactically uses the excuse that "she's taller" to position herself ahead of all the women.
The blonde beauty also goes up against a headshot of Kate Moss and discovers the audience do not favour the looks that she has built a career out of.
In the 'Face Your Demons' round, the couple are joined by famous guests, including Sky Sports F1 presenter Natalie Pinkham, former 'Made in Chelsea' star Hugo Taylor and Jodie's 'Strictly Come Dancing' partner Ian Waite.
Katherine questions Joseph's decisions during the game.
She quips: "Selling out your girlfriend at Christmas. Does it pay off?"
But the couple are good sports as they raise money for the children's hospice charity, Chestnut Tree House.
Jodie - who has been married twice previously - recently praised Joseph for bringing a sense of calm to her "bonkers" life.
She said: "[It's going] really well - he's a fantastic rock.
"With his military background, he hasn't got any issues or ego.
"He brings a wonderful calm to my wonderfully bonkers life.
"We met years ago when I was raising money for a military charity and then I asked him to come to Dominica to help with the Hurricane Irma relief."
Jodie also revealed that she hadn't been put off by her previous marriages, but is unsure whether she will marry Joseph.
She said: "Who knows? We're very comfortable and happy and incredibly strong.
"I haven't been put off marriage, but I should have been!
"My heart got trampled on a few times and I became more reserved and careful."
The 'Your Face or Mine' Christmas special will air on Wednesday (11.12.19) on Comedy Central.
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