KERRY Katona’s incredible weight loss has been revealed in a set of impressive before and after pictures.

After just eight weeks, the 42-year-old looks slimmer than ever after embarking on a strict diet and exercise regime.

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Her Francis Diet mentor couldn’t resist showing off the results and praised Kerry’s dedication.

They wrote: “How is @kerrykatona7? Well, we are in week 8.

“I will tell the dozens and dozens of DMs I got when it hit the papers that she is one of the hardest working people I have ever met. This is a fact

“If you follow her, you will have seen how busy she was in the theater, how she never slipped a second with @woo_dbyfood and she is never far away to ask and talk to.

“She did the stairs when she was crushed, she got on the treadmill to do life to her fans and drop motivation.”

They added: “It’s not the final result but it’s really accountable. Super impressive @carlafishwick.”

Kerry recently defended herself against any potential trolls by insisting she feels amazing after losing weight so quickly.

The star said she was now able to fit back into her size 12 jeans after a review of her “diet” plans.

Writing in her new magazine column, she said: “I’ve lost 8lbs in a week and I’m back in my size 12 jeans! I feel amazing.

“It’s all thanks to the FrancisDiet, plus working out with my fitness brand M-Fit.”

Kerry, who weighed 13 stone at the start of her fitness journey, added: “I’ve also been doing home exercises, which are great for when you’re busy.

“The results he has achieved with people are incredible and I have every confidence in what he is doing. So, hopefully, this time next year, I’ll be back to a size eight.