This headline may sound like a set up to a bad joke, but believe it or not, it totally happened!
The unlikely trio teamed up to give everyone a good show at the Winter Whites Gala in Aid of Centrepoint.
Swift performed her own set earlier that evening.
“This is my first time playing at Kensington Palace or any palace for that matter,” she said onstage. “I want to thank you for having me, Prince William, this is just amazing.”
The charity benefit, which combats homelessness, was held November 26 at Kensington Palace.
-Sarah Carroll, 97.1 AMP Radio/Los Angeles