Kerry Katona has signed up to be on Celebrity SAS: Who Dares Wins after the 40-year-old was prompted to join the hit show after getting fit last year.
She filmed the latest series with her fellow celebs in October.
The cast for the Channel 4 show includes Kieron Dyer, Wes Nelson, Ulrika Jonsson, Vicky Pattison, Jake Quickenden and James Cracknell.
An insider told The Sun: “Aside from I’m A Celebrity in 2004, Kerry has never taken on a show more challenging than Celebrity SAS: Who Dares Wins.
“After spending a lot of last years getting her fitness up she decided to take the plunge when approached by Channel 4.
“Kerry is a tough cookie, mentally and physically, so viewers may be surprised by how well she gets on.
“There is a lot more to Kerry than meets the eye and she really threw herself into the competition.”
The former Atomic Kitten star showed off her impressive body transformation this week, raising her shirt to show off the results of her hard work training with personal trainer boyfriend, Ryan Mahoney.
Kerry Katona left heartbroken as her 'crazy, beautiful' aunt dies tragically
She revealed the secret behind her weight loss and tones physique was from yoga and quitting smoking.
Speaking to New magazine last year, Kerry said: “I'm down to nine stone and I'm loving it.
“I'm officially a non-smoker and feel great for it.
“You've probably seen my endless Instagram posts about yoga and that's because I am obsessed with it.
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“I'm super proud of myself for being disciplined, focused, and getting stuff done. Taking care of yourself makes you feel so much better both physically and mentally.”
She added: “Well I'm dead chuffed. After training hard with Ryan, I've managed to lose some more weight and I'm feeling really good about myself.
"I even tried on a pair of Lilly's size eight shorts and guess what? They're too big for me!
“As well as using Skinny Jab, which helps control my appetite, and working out, I've eaten all the right things.
"Let's face it, it never hurts to be sh**ging a personal trainer!
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