Bunting has been hung along the mall as Union Jack flags flutter from crown-topped lampposts – all London awaits now is the bride.
With just hours to go final preparations are being made. Prince Harry is putting his final touches to what promises to be a revealing speech in his role as Best Man, while hundreds of hand picked guests will be deciding on which gown to wear.
Police have combed every each of the procession route, while caterers are setting a hundred tables at Buckingham Palace ahead of the evening events.
Ahead of the event William and Kate have released a message to well-wishers which reads: “We are both so delighted that you are able to join us in celebrating what we hope will be one of the happiest days of our lives.
“The affection shown to us by so many people during our engagement has been incredibly moving, and has touched us both deeply.
“We would like to take this opportunity to thank everyone most sincerely for their kindness.”
Hundreds of thousands of tourists, from the UK and around the world, are expected on the streets of London ahead of the parade, with some already taking up positions some 24-hours before the official start of proceedings.
The bride will walk up the aisle to a coronation anthem “I was glad” by Sir Charles Hubert Hastings Parry from Psalm 122, it has been revealed.
The Prince of Wales and Duchess of Cornwall, Prince Harry and Kate’s parents Carole and Michael Middleton, sister Pippa and brother James will all act as witnesses and sign the marriage registers.