Born into an aristocratic British family, Camilla Parker Bowles first met Prince Charles in 1972, beginning an enduring romance.
Although she retains her title, the Duchess of York has remained on the periphery of the Royal Family following the scandals that have dogged her life.
Exploring the reasons why Prince Harry chose to sever ties with the royal family.
Thanks to archive footage and a few dramatized scenes, together with interviews of those who know the Royal Family best, this history documentary takes a look back at the Queen's key milestones over recent years.