Princess Diana battled demons ahead of her marriage to Prince Charles in 1981. Her insecurity and his infidelity dominated ...

Spencer does exercise some dramatic license, though, including one surprising scene featuring a heart-to-heart between Princess Diana and her dresser, played in the film by Sally Hawkins.

However, nothing would prevent him from playing the part of proud father on July 29, 1981 - the day Lady Diana Spencer married The Prince of Wales - despite some of those watching questioning ...