The girls faced questions on the names of various cheeses and crackers in the first round of the BBC quiz show last night.
Former TOWIE star Sam, 26, went first, choosing correct answer Stilton and racking up a fairly unfortunate 43 points for the pair.
However, 26-year-old mum-to-be Amy wasn't quite so lucky.
"I love cheese and biscuits, I really do, but I haven't got a clue about any of this," she admitted as she gestured to the board.
Amy Childs admitted she 'hadn't got a clue' about the Pointless questions
Amy was bewildered when her answer was incorrect and she and Sam Faiers scored a huge 143 points
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Deciding to go for what she called "the obvious answer", Amy, who runs her own fashion brand, chose to answer the question about "a savoury square biscuit, first marketed by W and R Jacob in Dublin, 1885".
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"It's Carrs Crackers," she said confidently. "It's easy, but I wouldn't have a clue otherwise."
However, Amy looked completely bewildered when the score counter turned red and her answer was announced as incorrect.
Even Pointless host Alexander Armstrong told the reality star: "You're going to kick yourself when you know what the answer is."
Pointless Celebrities fans took to Twitter to slam Amy for being a 'bimbo'
Viewers mocked Amy for literally being a 'pointless celebrity'
Richard Osman later revealed that the correct answer was of course Cream Crackers.
Viewers flooded to Twitter to slam the reality star for her hilarious mistake, many pointing out that the question had already told her that the brand was Jacob's and wondering why she hadn't got the correct answer.
"Two reality show bimbos on #pointlesscelebrities delivers a predictable first round exit," said one Twitter user, while another mocked: "'Carrs Crackers', famously invented by Mr Jacobs. Honestly."
Another said: "Nobody told the TOWIE lass that literally being a pointless celebrity was not the criteria."