The first guests have arrived. Pictured is Harry's friend and fellow polo player Nacho Figueras and his wife, Delfina Blaquier.
If you're watching on Twitter, you can stream the #RoyalWedding live here:
Stream the #RoyalWedding live on Facebook here:
Actress and close friend of Meghan's, Priyanka Chopra shared a snap of her pre-wedding shenanigans.
British Prime Minister Theresa May has sent well wishes to the couple via Twitter.
My very best wishes to Prince Harry and Meghan Markle on their wedding day. To all of those joining the national celebration with street parties and other events, have a wonderful day. #RoyalWedding— Theresa May (@theresa_may) May 19, 2018
All the #RoyalWedding live feeds:
Kensington Palace announced, ahead of the royal wedding, that Queen Elizabeth will confer a Dukedom on Prince Harry making him the Duke of Sussex. Meghan Markle on marriage will thus be known as the Duchess of Sussex.
We are ready and waiting to spot royal family arrivals in Windsor.
Here's a glimpse of the beautiful flower arrangements at St George's Chapel.
Here's a breakdown of what you can expect to happen today.
Don't miss a thing with this full order of service of the royal wedding ceremony:
The Official Order of Service for the Wedding of Prince Harry and Ms. Meghan Markle is now available to download.https://t.co/dRHckWM0j8— Kensington Palace (@KensingtonRoyal) May 18, 2018
The wedding we have all been waiting for is finally here.
Join us as we bring you minute-by-minute coverage of this momentous occasion.