Prince William's recent encounter with Taylor Swift following one of her Eras Tour concerts at Wembley Stadium stunned Internet users, particularly when the popstar shared the intimate backstage moment with her 283 million Instagram followers on Saturday (June 22).
Taylor congratulated the prince on his 42nd birthday, writing, "Happy Bday M8! London shows are off to a splendid start."
But this is far from being the most memorable encounter between royal figures and celebrities. From Frank Sinatra to Marilyn Monroe and the Spice Girls, dozens of actors and musicians have bowed down to the United Kingdom's royalty.
Below, Bored Panda looks back at 19 times, with varying levels of awkwardness, celebrities have met the Royal Family.
#1 Princess Diana Dancing With John Travolta
The Pulp Fiction star and Lady Di famously danced together at the White House during a gala hosted by then-president of the United States, Ronald Reagan, and his wife, Nancy Reagan, in 1985.
John invited Princess Diana to join him in the ballroom to dance to the Bee Gees' You Should Be Dancing from his film Saturday Night Fever.
"The stage is like a dream. I approach her, touch her elbow, and invite her to dance. She spins around and gives me that captivating smile, just a little sad, and accepts my invitation. And there we were, dancing together as if it were a fairy tale," the actor recalled during an interview with Esquire Mexico 36 years after the iconic dance.