Surprise detail in Prince William's selfie with Taylor Swift

Eagle-eyed Taylor Swift fans have noticed a surprising detail in a selfie she shared with Prince William, Prince George and Princess Charlotte over the weekend on the Prince of Wales' 42nd birthday. Taylor's boyfriend Travis Kelce also featured in the snap, with the singer captioning her Instagram post, "Happy Bday M8! London shows are off to a splendid start 🇬🇧🇺🇸🤝."

Fans were quick to take to social media and reveal it was the first time Taylor had shared a photo of Travis on her Instagram grid.

"Hard-launching your boyfriend on Instagram with the British royal family is INSANE," one user wrote on X.

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"Are you telling me the first time Travis is posted on Taylor’s social media, it’s with Prince William, Prince George, and Princess Charlotte?" another said.

"Imagine breaking up with your British boyfriend and then posting a selfie with your American boyfriend with the future King of England hahahaha," a third added.

"No way, is this his debut?! Awww I'm rooting for them," someone else wrote.

One fan described it as the "picture of the year", adding, "I love all these people!"

"Music and sport royalty with actual royalty, if you're going to make a statement then make it a BIG one!" another said.

Fans also went wild after Travis joined Taylor on stage as she performed 'I Can Do It With a Broken Heart'. Travis picked Taylor up after she pretended to faint and carried her to a couch, where he and two backup dancers fanned her.

Video of Prince William dancing goes viral

Video of Prince William dancing to 'Shake It Off' at the concert quickly went viral, as the future King looked like he was having the time of his life.

"We now cross to the future King shaking it off at Wembley Stadium!" Dan Wootton wrote on X. "Prince William loves Taylor Swift like we all do. Very sweet!"

"He is living his best life," one user replied.

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"Welp I see where Louis gets his dance moves from 😂," another teased.

"He can give Tom Jones a run for his money," a third joked.

"A Swiftie king YES WE NEED THAT!" someone else added.

"Diana would just love this," another said. "Going to a concert with his children, giving them experiences like other regular children. She tried to do that for her boys. William is trying to do that with his children."

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