Following Princess Diana's tragic death in August 1997, Queen Elizabeth II's slow response garnered a huge outpour of questioning from the British public.
The Queen, then aged 71, found the monarchy being questioned like never before.
Since then, royal experts have examined in what ways the Queen might have acted differently.
When Her Majesty finally did arrive in London, the monarch walked among mourners, collecting flowers and personal cards. She then gave her first address to the public on the eve of Diana's funeral.