Henshall, 59, first met the Prince in 1988, when he was 23 and had just left the Royal Marines to work backstage in the West End.

Ruthie Henshall, who was in a relationship with the Duke of Edinburgh in the 1990s, has spoken about her own experience being invited to the royals’ Scotland residence

Henshall, 59, first met the Prince in 1988, when he was 23 and had just left the Royal Marines to work backstage in the West End.