There’s a reason why the Caribbean island of Mustique has long been a favorite of royals and celebrities alike—and mostly, it boils down to privacy. In addition to being Princess Margaret’s No. 1 vacation spot,

Prince William's former aide, Jason Knauf, who worked the Prince and Princess of Wales until 2021, reflected on a conversation with the royal following both King Charles and Kate Middleton's cancer diagnoses in an appearance on '60 Minutes Australia' on Sunday,

The King and the Princess of Wales both had cancer last year, with Kate now in remission and Charles having ongoing treatment, and a former royal aide has spoken about William's reaction