Prince William was spotted leaving an exclusive private members' club in Mayfair.
The Duke of Cambridge enjoyed a meal out with friends at Oswald's in central London on Friday evening, just hours after presenting a damehood to terminal cancer sufferer Deborah James.
The 39-year-old royal was snapped leaving the venue at 11pm after a three-hour meet-up.
He was accompanied by three security guards.
Prime Minister Boris Johnson and his wife Carrie Johnson are among frequenters of the club on Albemarle Street as is Camilla, wife of William's dad Prince Charles.
Oswald's is the city's most exclusive members' club.
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Members can even store their own wine there.
Earlier the same day, William had travelled to Dame Deborah's family home to present her with the prestigious honour for her fundraising efforts.
The BBC podcaster - known as 'Bowel Babe' - has raised £5.7million for Cancer Research UK in a matter of days.
After the royal's visit, Deborah, 40, described it as "surreal" on her Instagram page.
The mum-of-two uploaded photos of the duke posing with her family.
She wrote: "Prince William actually came to our family house today! I am utterly honoured that he joined us for afternoon tea and champagne, where he not only spent a generous amount of time talking to my whole family but also honoured me with my Damehood."
She said the cleaning efforts before his arrival were "off the scale".
"But it was all irrelevant because William was so kind and he put us all at ease," she added.
"He is clearly passionate about improving oncology outcomes as the President of the Royal Marsden.
"It was such a special day for my whole family, making memories to last a life time. He's welcome back any time!"
She had said earlier on Friday she was "completely lost for words" after raising the monumental sum, having only set a target of £250,000.
Deborah was originally diagnosed in 2016 and has worked to raise awareness, as well as funds.
On Monday, she announced she had stopped treatment and had begun hospice-at-home care.
Downing Street confirmed that Deborah was to be made a dame on Thursday, saying: "The Queen has been pleased to approve that the honour of Damehood be conferred upon Deborah James."
