United Kingdom, July 5 -- Sir Paul McCartney sang I Wanna Hold Your Hand at Taylor Swift and Travis Kelce's wedding.

The couple tied the knot in front of 1,000 guests at New York's Madison Square Garden on Friday (03.07.26), and during the festivities - which lasted until 4am - the Beatles legend got on stage to entertain guests, performing his former group's 1963 chart-topping track.

A source told People magazine: "After the ceremony, Taylor's mom Andrea invited everyone into the reception room where the stage was set up."

The insider confirmed that Fleetwood Mac's Stevie Nicks also performed at the reception, but didn't give any further details.

Good Morning America hosts Robin Roberts, Michael Strahan, and George Stephanopoulos wer...