The professional rent-a-gob was left unimpressed after Princess Diana’s former butler opened up about his time working for the royal household.
Taking to Twitter during Thursday night’s episode of the reality show, Katie labelled the 'CBB' housemate 'spineless' and a 'traitor'
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Paul Burrell and Katie Hopkins
"I wonder if the Queen is watching this? No Paul Burrell you absolute arse, the Queen is not watching CBB. You are a traitor!” she tweeted.
"How does Paul Burrell manage to walk without a sodding spine? CBB," she added.
Katie continued: "Paul Burrell is in the diary room asking Big Brother what the word loyalty means. CBB."
Katie let rip after Paul, who was also a footman for the Queen, opened up about The Queen's money secrets.
He told the ‘CBB’ house: "She carries around a £5 note that is ironed into little squares, so that it's finished up with one little square with her face on it.
"She then pops it into the collection box on a Sunday. That's the only time she carries money. I wonder if she's watching this."
Paul also opened up about the last time he spoke to Princess Diana, on the night she died in a car crash, when she allegedly asked him to reassure her that he would be at home waiting for her when she returned.
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"It was probably the saddest day of my life," he said.
'Celebrity Big Brother' 2015 Contestants
Sherrie Hewson(01 of12)
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Known for: 'Loose Women' panelist and star of sitcom 'Benidorm'Team: UKSays: "There have been quite a few 'Loose Women' so far and not one of them has said to me, 'Don't do it!' Carol McGiffin would go back in tomorrow. Coleen Nolan loved it. Nadia Sawalha, although she had a bad time with Perez andKatie Hopkins, loved it. So I think something happens to you in there." (credit:Channel 5)
Stevi Ritchie and Chloe Jasmine(02 of12)
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Known for: 'X Factor' contestants who fell in love on the show in 2014.Team: UKHe says: "It could make or break us. That is the thing. It is a chance and some risks are worth taking. It could make or break, who knows."She says: "I think that is the worst part about going into the 'CBB' house, that we will miss 'The X Factor'. It's all on record though isn't it? We can catch up when we leave. (credit:Channel 5)
Natasha Hamilton(03 of12)
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Known for: Member of girlband Atomic Kitten. Team: UKSays: "I'll miss the smell of [5ive boyfriend] Rich. I have made him wear a tee shirt and I've got it with me so I can have cheeky sniffs every night! That sounds weird! It's my man smell, I love it." (credit:Channel 5)
Gail Porter(04 of12)
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Known for: Former model and kids' TV presenterTeam: UKSays: " I'm not here to make friends, I don't need any more friends. I'm 44, I've got enough friends thank you!" (credit:Channel 5)
James Hill(05 of12)
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Known for: Competing on 'The Apprentice' in 2014. Team: UKSays: I've been called a bit of a womaniser but I am a young guy. I'm single like I was on 'The Apprentice' and after four weeks of being in the house, our instinct and testosterone takes over sometimes doesn't it? But it's what we do, we are here to breed in life and if you like someone thereare times and places to do it. I'm not suggesting I am going in to look for a girl, but who knows what is going to happen. I'm not saying I am going to start having these naughty sessions on TV but who knows?" (credit:Channel 5)
Chris Ellison(06 of12)
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Known for: Playing hardman cop Burnside on 'The Bill'.Team: UKSays: "I don't want to be an enforcer. I'm not at all like people think I am. I'm quite camp, really. I like that kind of humour. I'm not serious." (credit:Channel 5)
Tila Tequlia (07 of12)
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Known for: Playboy modelTeam: USSays: "I think they think I’ll have this vapid,shallow, sexual image that is nothing more than that but I am actually not that. I am very goofy and I have a sense of humour that you might not understand right away. I am out there. I don't have a filter with what is on my mind. But I don't mean harm by it!" (credit:Channel 5)
Farrah Abraham(08 of12)
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Known for: US reality star of 'Teen Mom', who also has a famous sex tape.Team: USSays: "I don't believe in shame and I am not ashamed of sexuality because everyone has had sex, we're adults. I have talked about everything to a lot of people so I am comfortable." (credit:Channel 5)
Jenna Jameson(09 of12)
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Known for: Adult movie star who dubs herself 'The Queen Of Porn'Team: USSays: " I guess people think that I'm going to be like, 'Orgy!' I'm on the straight and narrow and I always have been but I'm in a business and porn just happens to be my business. But I'm not here for porn, not yet." (credit:Channel 5)
Fatman Scoop(10 of12)
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Known for: His 2003 UK number one 'Be Faithful'Team: USSays: "People know Fatman Scoop and I wantthem to know the other Fatman Scoop. This isn't about grabbing cash, it's about the reintroduction of Fatman Scoop as a personality, not the guy that you hear yelling all the time." (credit:Channel 5)
Daniel Baldwin(11 of12)
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Known for: Hollywood star who is part of the Baldwin acting dynasty. His brother Stephen did 'CBB' in 2010. Team: USSays: "I let them know that under no circumstances would I share my bed with another person, particularly another woman. That would never happen. I would pick up my bag and leave before I would disrespect my wife like that." (credit:Channel 5)
Austin Armacost(12 of12)
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Known for: US reality star on 'The A List' and ex-boyfriend of designer Marc Jacobs. Team: USSays: "I have no problem saying what I think. I just do it in a less bitchy way than Perez. I respected him because he was very open and honest with what he had to say. I have come to redeemgay American men and America as a whole. I have come to redeem the tarnished brush that Perez has painted us all with." (credit:Channel 5)