The former Strictly Come Dancing professional certainly didn't hold back as he tuned into tonight's instalment of the reality series.
During the latest episode, Chloe Ferry could be seen cavorting around the garden in a tiny pink bikini while James Cosmo sat in the smoking area.
The Geordie Shore star asked him: "Have you ever been to Ibiza? I feel like I'm in Ibiza sunbathing in my bikini."
She then proceeded to jump around in the swimming pool, with her struggling to contain her ample assets in the metallic two-piece.
James Jordan SLAMS Chloe Ferry as she cavorts in tiny bikini
The Geordie Shore cavorted around in a metallic pink bikini
Her parents must be so proud
The Game of Thrones star could not have been less impressed as he watched on in shock. He shook his head before getting up and walking back in the Borehamwood Bungalow.
And, it seems his baffled facial expression entertained those at home, including former housemate James.
The dancer slammed Chloe on Twitter, writing: "I love the look of total disgust on James C's face when looking at Chloe… @bbuk #CBB Her parents must be so proud."
Viewers at home were also entertained by James' face, with one tweeting: "James pulling a face at Chloe so we don't have to. #CBB."
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James looked on in shock as Chloe jumped around in the pool
Celebrity Big Brother 2017 highlights
Tue, January 17, 2017
Celebrity Big Brother 2017: The best bits from the latest series including all the arguments, kisses and Tony the Pony.
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Celebrity Big Brother viewers were surprised to hear Kim Woodburn urging Chloe Ferry to become an escort
James Jordan took to Twitter to slam the reality star
Another added: "A serious actor living with someone from Geordie Shore and looking on in horror is what #CBB is all about."
Someone else continued: "James Cosmos face said it all #CBB."
Tonight's episode will see one unfortunate celebrity evicted from the Big Brother house, with the housemates nominating each other as part of a shopping task.
Celebrity Big Brother continues on Saturday on Channel 5 at 9pm.