The note - written after the couple's acrimonious split - was revealed by Burrell earlier this year (03) following the publication of his controversial biography A ROYAL DUTY.
And now British investigators, who have launched a fresh inquiry into Diana's death, have spoken to the 45-year-old employee over the letter - which makes serious allegations against the heir to the throne.
Burrell says, "I know what Diana told me and I know what was in that letter."
Prince Charles - who was openly devastated after Diana's 1997 fatal car crash - will be interviewed by Metropolitan police commissioner SIR JOHN STEVENS later this month (MAY04).04/05/2004 13:48
The actress thinks it would be tough to recast her character, Winifred Sanderson.
Beck wishes he'd had ''more fun'' when Kanye West invaded the stage in protest at his 2015 Grammy Awards win.
The Duffer Brothers wanted to "experiment a little bit".