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She's the vicar's daughter who's so reserved, her naughtiest moment was running through a field of wheat.

So this new claim about Theresa May is probably one of the most out-of-character things we've ever seen.

A news report claims the Prime Minister called Gavin Williamson "my bitch" long before sacking him as Defence Secretary.

According to The Sun, the Tory - then Chief Whip - was reported to the PM in 2016 for badmouthing Mrs May behind her back as a "charisma-free bitch".

And it's claimed the PM replied: "Well he's my bitch now". The claims have not been confirmed to the Mirror.

Mr Williamson - who denied he used the b-word word against the PM - has gone on the warpath since he was sacked from Cabinet.

(Image: WPA Pool)

Mrs May said she had "compelling evidence" he leaked details from a top secret National Security Council meeting that was considering whether to let Huawei build parts of the UK's 5G phone network.

Ministers and the US fear the Chinese telecoms company could be forced to co-operate with the state's intelligence services to exploit UK communications data.

Mr Williamson - who denies leaking from the NSC - yesterday accused the Prime Minister of "betrayal" and branded her "politically naive" by carrying on Brexit compromise talks with Labour .

In an article in the Mail on Sunday he added: "These talks with Labour are fruitless and not only will they not deliver the Brexit that people voted for - they are a betrayal of the direct instructions the people gave us in 2016 and 2017."