About 1,000 names were reportedly on the guest list, including some of the biggest stars from music, Hollywood and sport.
Selena Gomez, Camila Cabello, Hugh Grant, Gracie Abrams, Gigi Hadid, Bradley Cooper, Tom Hanks, Millie Bobby Brown, Ellie Goulding, Graham Norton, Dakota Johnson, Steven Spielberg, were among the A-list attendees.
Many more drove straight in and out, away from the view of media and photographers.
Other rumoured names include Sabrina Carpenter, Jennifer Lawrence, Lana Del Rey, Lena Dunham, Emma Stone, the Haim sisters, Sir Paul McCartney, Zoe Kravitz, Stevie Nicks, Nicole Kidman, Reese Witherspoon and Greta Gerwig.
Guests are assumed to be under instructions not to give away details or photos, and rapper Nelly is one of the few to have posted on Instagram, writing: “S/O [shout out] to @taylorswift & @killatrav..!! Wedding was incredible.”
