The former glamour model, 44, splurged £12k on business class flights for the holiday with Jett, nine, and Bunny, eight.
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Today bankrupt Katie was seen splashing the cash in Bangkok and posing with the kids.
The mum-of-five kept it casual in a brown shirt dress and trainers as she checked out the shops.
Despite being covered up Katie’s outfit showed off the results of her biggest ever boob job.
Last week, Katie dodged a hearing for a fourth time to answer questions on her bankruptcy.
The case, which was due to be heard in court on February 9, was “vacated” for another two months.
Instead, the star headed off on holiday for a half-term break with her kids Jett and Bunny, who she shares with her ex-husband Kieran Hayler.
Insiders have revealed Katie splashed out on business class flights for herself and Carl, 33, ahead of his birthday.
A source told The Sun: “Katie’s taken Bunny, Jett and Carl to Thailand for the week – they went business class.”
“It was £3,000 each,” they revealed of the eye-watering price.
Katie’s upcoming bankruptcy hearing, which has been delayed four times, will see her asked to lay bare just how much cash she makes from stripping online.
The OnlyFans star is set to face the music over her monster £3.2million debt – which was first revealed in 2021.
On April 12, she will finally have to explain how she plans to pay off her creditors.
Katie, who has jetted off on 14 luxury holidays in the last year, had agreed to a payment plan with creditors.
But it has been claimed by liquidators chasing cash through her numerous failed firms that she has not been sticking to the deal she struck.
Her bankruptcy trustees will want to find out details of how much she has been paid for her TV work, including her Channel 4 show where she attempted to renovate her £2m country mansion.
And one of her main sources of income is her £12-a-month OnlyFans page where she posts raunchy photos and videos.