Weeks after Princess Diana gave her tell-all BBC Panorama interview on the breakdown of her marriage to Prince Charles, she received a handwritten letter by the Queen.
It was in this interview with Martin Bashir, which was watched by 22.8 million people, that Diana famously said that there were "three of us" in her marriage to Charles, in reference to his love for Camilla.
She also described the prince's camp as the "enemy" and said the monarchy was in desperate need of modernisation, causing huge embarrassment for the royal family.