Diana Princess of Wales and Charles Prince of Wales hold Prince Harry and Prince William on the deck of the Royal Yacht Britannia [Getty Images]

VENICE - MAY 5: Diana Princess of Wales and Charles Prince of Wales hold Prince Harry and Prince William on the deck of the Royal Yacht Britannia, during the Royal Tour of Italy on May 5, 1985 in Venice Italy. Princess Diana wore a coat designed by Emanuel. (Photo by David Levenson/Getty Images)

Hulton Archive David Levenson