The former 'Apprentice' contestant - famed for her controversial views - branded the actor 'a little boy' with an 'exceptionally small' brain after he encountered money troubles, despite his reported £90,000 salary.
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Katie Hopkins and Ryan Thomas
In an opinion piece for Now magazine, Katie wrote: "Bankrupt celebs are like lips without gloss. The shine has come off and they're left looking thin and miserable.
"[Ryan] may earn big but his brain is exceptionally small. Perhaps he should spend less time drinking by the pool in the sun and a bit more time saving for the rainy day the taxman wants his money back."
She continued: "Some say bankruptcy has taught them a valuable lesson. Well, here [is one] more I'd like to hammer home.. don't spend like Rihanna if you're just a little boy called Ryan from 'Corrie'."
Ryan wasn't the only cash-strapped celeb who came in for a tongue lashing from Katie, as she also branded Kerry Katona 'the queen of credit disasters' and said Joe Swash 'clearly skipped maths class as a kid', after they were both made bankrupt for a second time earlier this year.
Despite her fortune for her Atomic Kitten days and various relaity TV appearances, Kerry was officially made broke in 2008 when she failed to cough up the final £82,000 of a £417,000 tax bill. A turn as a housemate on 'Celebrity Big Brother' helped her to finally pay off her debts. (credit:Getty Images)
Shane Filan(02 of11)
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The Westlife star and property investor was made bankrupt in June 2012 when the housing market crashed, and left him owing more than €5.5m (£4.45m) to Ulster Bank and Bank of Ireland. (credit:Getty Images)
Martine McCutcheon(03 of11)
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Martine filed for bankruptcy in in 2013, when she amassed debts of £187,000. (credit:Getty Images)
Stephen Baldwin(04 of11)
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When Stephen defaulted on a mortgage payment in 2009, he filed for bankcruptcy claiming he was $2.3m in debt. (credit:Getty Images)
Joe Swash(05 of11)
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The former 'EastEnders' star was made bankrupt by London's High Court in 2009 after he failed to pay a £20,000 tax bill. (credit:Getty Images)
Peter Stringfellow(06 of11)
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Peter lost a reported $20m in 1992 after a failed attempt to crack America. (credit:Getty Images)
Christopher Biggins(07 of11)
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Biggins reckons that going into voluntary bankruptcy 15 years ago was the 'best thing that ever happened' to him. The star was forced into it after work offers slowed down. (credit:Getty Images)
Mike Tyson(08 of11)
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The boxer owed both the US and British governments $17m in taxes, $750,000 to law firms and $300,000 to limo services and became bankrupt in 2004. (credit:Getty Images)
Donald Trump(09 of11)
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He may be a multi-billionaire, but Donald Trump has filed for corporate bankruptcy four times! However, he has never filed for personal bankruptcy. (credit:Getty Images)
Neil Morrissey (10 of11)
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Neil entered into an individual voluntary arrangement (IVA) after a property scheme in which he invested collapsed, leaving him millions of pounds in debt. (credit:Getty Images)
MC Hammer(11 of11)
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One hit wonder MC Hammer's living beyond his means meant he was $13m in debt and filed for bankruptcy in 1996. (credit:Getty Images)