Taylor Swift mania officially swept over London in the hours leading up to the pop star’s first show at Wembley Stadium. The Buckingham Palace military band welcomed the “Anti-Hero” singer to the city with an arrangement of her hit “Shake It Off” and titled it “Changing of the Guard (Taylor’s Version).” And royal family members shared in the excitement for Swift’s arrival as Prince William reunited with his old pal, attending the first night of her Eras Tour at Wembley.

The Prince of Wales made it a family affair by bringing along his two oldest children, Prince George and Princess Charlotte, who are said to be huge Swifties. Now, we’re wondering if they have any idea that their dad once sang on stage with the “Fortnight” artist. Here’s more on that, and the video of William busting out some serious moves during Swift’s sold-out concert.

Prince William seen ‘Shaking It Off’ in viral video Eagle-eyed fans also at Wembley on June 21, spotted William with his kids and cousin Zara and her husband, Mike Tindall. That video has since gone viral. The clip shows the future king dancing like nobody’s watching as Swift belts out “Shake It Off.

” After the show, William took his children backstage to meet Swift and they got a selfie with the singer and her boyfriend, NFL tight end Travis Kelce . Swift held the camera and snapped a selfie of the group. She then posted the pic to Instagram and shared it with her 283 million followers writing, “Happy .