Taylor Swift, Travis Kelce marry in elaborate ceremony at NYC's Madison Square Garden

U.S. pop star Taylor Swift and football player Travis Kelce are now married, Swift's publicist said Friday after days of speculation leading up to the star-packed ceremony at New York City's Madison Square Garden.

While the couple has been tight-lipped over details about their purported nuptials — during a scorching summer week alongside World Cup matches and 250th anniversary celebrations of American independence — details about the event have inevitably emerged.

The couple did not have bridesmaids or groomsmen, instead opting for Swift's brother to serve as her man of honour and Kelce's brother Jason serving as his best man, The Associated Press reported.

The deep secrecy lifted when a marquee outside the Midtown Manhattan arena proclaimed "JUST&T MARRIED" after the event was done.

American singer Stevie Nicks performed among a crowd packed with stars of sports and entertainment.

Guests from the entertainment world included director Steven Spielberg; singer Camila Cabello; actors Hugh Grant, Ethan Hawke and Zoë Kravitz; and models Gigi Hadid and Karlie Kloss. From the NFL world, Seattle Seahawks receiver Cooper Kupp and JuJu Smith-Schuster of the New York Giants were seen headed into MSG.

There was a lack of social media posts from guests once they had entered the arena, with phones apparently banned.

However, on Saturday, hosts of Good Morning America who had been invited to the wedding confirmed that Nicks performed and described the space as "intimate." Robin Roberts added that both Swift and Kelce wrote their own vows.

Adam Sandler, star of The Wedding Singer and many other hit comedies officiated the wedding.

The email announcing the marriage described him as "a friend" of the couple. Kelce was one of the many