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The Smooth Late Show with Martin Collins 10pm - 1am
16 May 2018, 16:08 | Updated: 17 May 2018, 16:44
The Royal Wedding between Prince Harry and Meghan Markle is nearly here!
But when and where is the wedding actually taking place? And what will happen after the service?
Here is a full guide to the Royal Wedding on Saturday (May 19).
Roads near Windsor Castle will begin closing, while some other routes will be shut from around 10pm the night before.
2,4640 lucky members of the public who received invites for inside the castle grounds, will begin to arrive.
Wedding guests will start arriving by coach at the castle's tower, and walk into St George's Chapel through the south door and take their seats. We'll be playing 'spot the celeb' for two solid hours.
Other members of the Royal Family will begin to arrive, entering the chapel via the Galilee Porch, with some on foot and others by car.
Prince Harry and best man Prince William will probably arrive at the chapel by foot, and enter via the west steps.
Kensington Palace has said that the brothers will greet people gathered in the castle precincts, before entering the church.
As is tradition, the Queen will be the last member of the Royal Family to arrive.
Also around this time, Meghan and her mother Doria Ragland will leave from an unconfirmed location, where the bride stayed the night before.
Members of the public will also be able to see the pair as they travel to the castle in a car along the Long Walk.
There will be a short stop at the castle, where Meghan's mother will head into the chapel (unless she is walking her daughter down the aisle).
Meghan will be joined by some of the bridesmaids and page boys, including Prince George and Princess Charlotte, before she continues her walk to the church, via the west steps.
It is currently unknown who might walk her down the aisle, as her father Thomas Markle is unlikely to be attending.
The wedding service will start at St George's Chapel, and will be conducted by the Dean of Windsor David Conner.
Archbishop of Canterbury Justin Welby will officiate, as Harry and Meghan complete their marriage vows in an hour-long service.
Harry and Meghan will leave the church, greeting 200 representatives of Harry's charities assembled in the cloister.
Close family members will also gather on the chapel's west steps, to wave off the couple as they start a carriage procession in an open-top Ascot Landau.
The journey is expected to last about 25 minutes, taking them from St George's Chapel, before leaving Windsor Castle via Castle Hill and along the High Street and through Windsor Town. It will then return to the castle along the Long Walk.
Members of the congregation will then walk to St George's Hall for the reception.
Prince Charles will host a private evening reception for the couple and their close friends and family at Frogmore House.
We bet you're as excited as we are!