(FILE) 50 Years Since Birth Of Diana, Princess Of Wales On July 1 [Getty Images]

LONDON - 1981: (FILE PHOTO) Prince Charles and his fiancee Lady Diana Spencer with Queen Elizabeth II at Buckingham Palace, 7th March 1981. (Photo by Fox Photos/Hulton Archive/Getty Images) On July 1st Diana, Princess Of Wales would have celebrated her 50th Birthday Please refer to the following profile on Getty Images Archival for further imagery. http://www.gettyimages.co.uk/Search/Search.aspx?EventId=107811125&EditorialProduct=Archival For further images see also: Princess Diana: http://www.gettyimages.co.uk/Account/MediaBin/LightboxDetail.aspx?Id=17267941&MediaBinUserId=5317233 Following Diana's Death: http://www.gettyimages.co.uk/Account/MediaBin/LightboxDetail.aspx?Id=18894787&MediaBinUserId=5317233 Princess Diana - A Style Icon: http://www.gettyimages.co.uk/Account/MediaBin/LightboxDetail.aspx?Id=18253159&MediaBinUserId=5317233

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Politics, Personalities, USA, pic: March 1983, San Francisco, President Ronald Reagan roars with laughter at a joke delivered "deadpan" style by HM,Queen Elizabeth which remarked on the California weather, Ronald Reagan (born 1911) became the 40th President of the United States serving from 1981-1989 (Photo by Popperfoto via Getty Images/Getty Images)

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GREAT BRITAIN - NOVEMBER 24: Queen Elizabeth II making her "Annus Horribilis" speech at the Guildhall (Photo by Tim Graham Picture Library/Getty Images)

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LONDON, ENGLAND - JUNE 11: Catherine, Duchess of Cambridge, Princess Charlotte, Prince George, Prince William, Duke of Cambridge, Queen Elizabeth II and Prince Philip, Duke of Edinburgh stand on the balcony during the Trooping the Colour, this year marking the Queen's official 90th birthday at The Mall on June 11, 2016 in London, England. The ceremony is Queen Elizabeth II's annual birthday parade and dates back to the time of Charles II in the 17th Century when the Colours of a regiment were used as a rallying point in battle. (Photo by Samir Hussein/WireImage)