The house of Australian cancer conwoman Belle Gibson's house has been raided and items seized in a bid to recoup an unpaid fine she received for falsely claiming she cured herself of brain cancer.

A warrant was executed on Gibson's Melbourne home on Wednesday morning as the stand-off continued over her refusal to pay a fine of more than A$500,000.

Gibson, 28, has refused to pay the penalty for building a wellness empire on the back of duping Australians into believing she cured brain cancer with healthy eating.

Supplied The fake wellness guru charged for deceiving people out of hundreds of thousands of dollars with claims her brain cancer was cured through alternative therapies and nutrition.

The Federal Court fined Gibson A$410,000 in 2017 after Consumer Affairs Victoria took action against her. The fine has now grown to more than half a million dollars with costs and interest.

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Gibson appeared in the Federal Court last year, where her expenses were put under the spotlight as she claimed she was penniless and unable to pay the fine.

At the hearings, Gibson was questioned about what she had spent on clothes, a holiday to East Africa and cryptocurrency investments.

She told the court the rent of her home was A$600 per week.

The court heard Gibson had a A$28,000 credit card debt with the ANZ Bank and earned A$15,000 and A$20,000 in 2016 and 2017 respectively.

But a barrister for Consumer Affairs Victoria said an analysis found that between 2017 and 2019 she spent A$91,000, including A$13,000 on clothing, accessories and cosmetics, and A$45,000 on "discretionary" spending. Gibson did not accept those figures.

Belle Gibson was fined over $400,000 in 2017 for claiming she had cured herself of cancer.

She told the court that a man named Clive Rothwell — who she claimed was not her partner but lived in the home with her and her son — helped pay for things like energy bills, a gardener, legal costs and rent.

Gibson also said that Rothwell paid for a trip she took with her son to East Africa, which cost A$5000. He gave her A$2000 in cash to pay for the accommodation, she said.

When asked, Gibson said she could not say what Rothwell did for a living. She also did not know his income, saying "that's not my business".

The fake wellness guru was fined in 2017 for breaching consumer laws by misleading and deceiving people after she accumulated A$420,000 through her cookbook The Whole Pantry and an app, in which she falsely claimed her brain cancer was cured through alternative therapies and nutrition.

It was later revealed she never had cancer.