Rebekah Vardy declared “war” after Coleen Rooney publicly accused her of selling information to the press, the High Court has heard – months after telling her PR she would “love” to leak stories about her.

The wife of former England star Wayne Rooney was dubbed “Wagatha Christie” after she carried out a months-long “sting operation” to find out who was telling The Sun newspaper information she had posted on her personal Instagram account.

She shared fake stories on her profile in a bid to catch out the culprit, before pointing the finger at the account of her fellow footballer’s wife.

Vardy, 39, who is married to Leicester City striker Jamie, denies the accusations and is suing Rooney, 35, for libel.

On the day of Rooney’s Twitter post – which ended “It’s ……………. Rebekah Vardy’s account” – Vardy sent her PR and friend Caroline Watt a message stating: “That’s war.”

Rooney’s lawyers have claimed Vardy leaked the information to The Sun either directly or through Ms Watt, who was acting “with her knowing approval”.

At the start of a two-day hearing on Tuesday, the High Court heard that in WhatsApp messages between the pair, Ms Watt had admitted leaking information to the media.

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Rooney’s barrister, David Sherborne, claimed Vardy had “animosity” towards Rooney which showed “clear motivation for Vardy to leak private information about Rooney to the newspaper, with repeated bad-mouthing of her in a way which is clearly consistent with and linked to the desire to leak private information about her”.

Other messages show Vardy referring to Rooney as a “nasty b****”, “such a d***” and a “c***”.

Rooney’s lawyers had requested further information from the WhatsApp exchange between the pair, but Ms Watt’s phone had “regrettably” fallen into the North Sea shortly after the last hearing.

Rooney’s team has produced a message exchange between Vardy and Ms Watt in January 2019 which showed the pair discussing a post on Rooney’s private Instagram where her car had been damaged.

Read more: Coleen Rooney brands Rebekah Vardy’s £900k legal budget ‘grotesque’

This has been a burden in my life for a few years now and finally I have got to the bottom of it…… pic.twitter.com/0YqJAoXuK1

Vardy said she “would love to leak those stories x”.

Mr Sherborne said Ms Watt was later responsible for the leak of the story to the newspaper, with Vardy’s approval.

Days later, Rooney posted a tweet saying it was “sad” someone was “betraying” her.

According to written submissions, while discussing the tweet in private, Ms Watt said: “It wasn’t someone she trusted. It was me,” accompanied by a laughing emoji.

Hugh Tomlinson QC, for Vardy, said the denied allegations have caused her “huge damage and distress”.

In written arguments, the barrister said the information and messages disclosed “provides no evidence that the claimant leaked the three fake posts”.

Read more: Jamie Vardy’s phone may be inspected as part of ‘Wagatha Christie’ case

In further WhatsApp messages between her and Ms Watt, Vardy said she had supported Rooney and suggested it was Rooney’s own PR who had leaked stories.

The trial is due to begin in early May of this year, with this hearing due to end Wednesday.

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