The world media has gathered in New York as Taylor Swift and Travis Kelce are expected to celebrate their wedding.

However, the global popstar and NFL player have reportedly are already married following a secret ceremony in Tennessee earlier this week.

Speculation's been building for months, with more than a thousand guests expected at the celebrations, however, neither has confirmed the wedding plans.

Actress Lena Dunham and model Gigi Hadid were among guests seen arriving at in Madison Square Garden for a rehearsal dinner on Thursday night.

The 'official' ceremony is due to happen in the iconic Manhattan venue on Friday evening.

NBC's Emilie Ikeda says the arena is a hive of activity.

 "A source tells us that they're actually building a castle for the big party that's expected to have 1,100 invited guests.

"An internal police memo indicates that that party will run from about 5:30 pm to 2:00 am."

Meanwhile, the couple has have donated 22 million euro to charities ahead of their wedding.

20 organisations - including food banks, educational programmes and children's hospitals are benefitting.