The groundbreaking series’ last season will explore the period leading up to Princess Diana’s death, the immediate aftermath, and the long-term ramifications.
The official synopsis for season 6 promises to "depict a relationship blossoming between Princess Diana and Dodi Fayed before a fateful car journey has devastating consequences".
It continues: "The final chapter is told across six episodes (Part 2). Prince William tries to integrate back into life at Eton in the wake of his mother’s death as the monarchy has to ride the wave of public opinion.
"As she reaches her Golden Jubilee, the Queen reflects on the future of the monarchy with the marriage of Charles and Camilla and the beginnings of a new Royal fairytale in William and Kate."
Casting by Robert Sterne.