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.
A look at how Andrew and Sarah, who once upon a time were a handsome, loving couple with the world at their feet, fell from grace.