Inside Prince Philip's godson's nasty divorce

Prince Philip's godson's divorce has gotten ugly.

Months after interior designer Ashley Hicks, who is also Prince Charles' second cousin, confessed to his pregnant wife, Kata de Solis, that he had cheated on her with her best friend, the couple's divorce is embroiled in a new wave of drama.

Hicks, 55, reportedly started his affair with Martina Mondadori Sartogo while they traveling on business together in Italy, a month before de Solis, 36, discovered that she was expecting the couple's second child. In August, when Hicks revealed his tryst with Sartogo, de Solis moved out and lawyered up.

"Kata never would have found out if he hadn't told her," a source told Page Six's Richard Johnson.

See photos of the former couple below:

6 PHOTOS
Kata de Solis and Ashley Hicks together
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Kata de Solis and Ashley Hicks together
LONDON, ENGLAND - NOVEMBER 08: Ashley Hicks and Kata de Solis attend the opening of Ermenegildo Zegna new boutique in London at Ermenegildo Zegna Boutique on November 8, 2016 in London, England. (Photo by Tim P. Whitby/Getty Images)
LONDON, ENGLAND - JUNE 13: Kata de Solis and Ashley Hicks attend the Dulwich Picture Gallery Summer Party at Dulwich Picture Gallery on June 13, 2017 in London, England. (Photo by David M Benett/Dave Benett/Getty Images for Dulwich Picture Gallery)
LONDON, ENGLAND - JUNE 13: Kata de Solis and Ashley Hicks attend the Dulwich Picture Gallery Summer Party at Dulwich Picture Gallery on June 13, 2017 in London, England. (Photo by David M Benett/Dave Benett/Getty Images for Dulwich Picture Gallery)
LONDON, ENGLAND - SEPTEMBER 21: Ashley Hicks (L) and Kata de Solis attend the opening reception for 'Audrey Hepburn: The Personal Collection' at Christie's on September 21, 2017 in London, England. (Photo by David M. Benett/Dave Benett/Getty Images for Christie's)
LONDON, ENGLAND - OCTOBER 11: Ashley Hicks (L) and Kata de Solis attend Giampiero Bodino's 'Beauty Is My Favourite Colour' cocktails and dinner evening at Spencer House on October 11, 2017 in London, England. 2:1 (Photo by Darren Gerrish/Getty Images)
LONDON, ENGLAND - NOVEMBER 30: Ashley Hicks (L) and Kata de Solis attend a party hosted by NET-A-PORTER and MR PORTER to celebrate the festive season in style at One Horse Guards on November 30, 2017 in London, England. (Photo by David M. Benett/Dave Benett/Getty Images for NET-A-PORTER)
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Now, de Solis is seven months pregnant and living in Hicks' country home because he won't set her up with an apartment in London.

"He put deadbolts on interior doors, so [she's] relegated to a small wing of the house," another insider said. "Any hopes for an amicable divorce are out the window."

Though Sartogo's lawyer threatened to sue de Solis if she didn't delete e-mails that she obtained from Hicks' account that proved the affair, de Solis' lawyer shot back that they were available in plain sight on the family computer.

"Your client has been having an affair with our client's husband during the time that our client was pregnant with her second child," de Solis' lawyer wrote back. "That is not a private matter."

Perhaps adding insult to injury, Hicks and Sartogo are no longer seeing one another.

RELATED: Recent photos of the royal family for Prince Charles' birthday:

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Royal family releases photos for Charles' 70th birthday
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Royal family releases photos for Charles' 70th birthday
In this handout image provided by Clarence House and taken on Sept. 5, 2018, Britain's Prince Charles poses for an official portrait to mark his 70th Birthday in the gardens of Clarence House, with Camilla, Duchess of Cornwall, Prince William, Kate, Duchess of Cambridge, Prince George, Princess Charlotte, Prince Louis, Prince Harry and Meghan, Duchess of Sussex, in London, England. (Chris Jackson/Pool Photo)
In this handout image provided by Clarence House and taken on Sept. 5, 2018, Britain's Prince Charles poses for an official portrait to mark his 70th Birthday in the gardens of Clarence House, with Camilla, Duchess of Cornwall, Prince William, Kate, Duchess of Cambridge, Prince George, Princess Charlotte, Prince Louis, Prince Harry and Meghan, Duchess of Sussex, in London, England. (Chris Jackson/Pool Photo)
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