Prince William is now second in line to the throne and will, one day, succeed his father. What sort of King will he be and how will his past determine this?
Born into an aristocratic British family, Camilla Parker Bowles first met Prince Charles in 1972, beginning an enduring romance.
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.
Ever since the Duke and Duchess of Sussex left royal life for Los Angeles, tension has mounted with the royal household.