It will leave the Chapel Royal
only after the coffin has been viewed by William, Harry and their father on Friday afternoon after they have flown to London from Balmoral.
At the request of the royal family - and Diana's relatives - her body will lie privately in front of the altar of the Chapel Royal
at St James's Palace before the service.
The CHAPEL ROYAL
at St James's Palace, where her coffin now lies before the altar, is where she and Charles joyfully witnessed the christening of Andrew and Fergie's first daughter Beatrice in 1988.
Their eldest child Prince George was christened in the Chapel Royal
in St James's Palace where tragic Diana's body lay at rest for a week after she died in a Paris car crash in August 1997.
The two historians reveal how Henry's household came together for an occasion that used every part of Hampton Court Palace, from the royal apartments and the kitchens to the Chapel Royal
, producing a pageant that was deeply political as well as being a carefully stage-managed performance.
He said he had to "pinch himself" to think that he was actually present at the baptism ceremony which took place in October in the Chapel Royal
at St James's Palace in London.
These words were accompanied by footage of William bouncing George up and down in his arms, with Kate by his side, as they chatted to other family members outside the Chapel Royal
, St James's Palace, ahead of their son's christening.
Despite George's opulent conveyance, the new parents chose to carry their child at his christening ceremony, held at the Chapel Royal
in St James's Palace on 23 October.
The Duke and Duchess of Cambridge made a "personal decision" to use the Chapel Royal
for George's baptism.
On only his second appearance in public, the three-month-old prince soaked up the attention outside the Chapel Royal
St James's Palace.
SPECIAL DAY: The Duchess of Cambridge carries her son Prince George after his christening at the Chapel Royal
in St James's Palace.
The names of the seven godparents were released just a few hours before George's christening which was led by the Archbishop of Canterbury, Justin Welby, at the Chapel Royal