Prince William, who was celebrating his birthday on that day, met Taylor and her boyfriend Travis Kelce backstage.

The selfie was shared by Taylor on her social media handles and featured the famous five.

She wrote: "Happy Bday M8! London shows are off to a splendid start ."

The official Instagram handle of the Kensington Palace also shared the image of Swift clicking the selfie with Prince William, Princess Charlotte, and Prince George.

Swift is scheduled to perform eight shows in London this season.