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LONDON - JUNE 15: Queen Elizabeth II with (from left) Queen Elizabeth the Queen Mother, Prince Michael of Kent, Prince Phillip, Lord Nicholas Windsor, Prince Edward, Princess Anne, Prince Charles holding Prince Harry, Diana, Princess of Wales, in front of her Prince William, on the balcony of Buckingham Palace at the Trooping the Colour ceremony in London on June 15, 1985 (Photo by David Levenson/Getty Images)

LONDON - JUNE 15: Queen Elizabeth II with (from left) Queen Elizabeth the Queen Mother, Prince Michael of Kent, Prince Phillip, Lord Nicholas Windsor, Prince Edward, Princess Anne, Prince Charles holding Prince Harry, Diana, Princess of Wales, in front of her Prince William, on the balcony of Buckingham Palace at the Trooping the Colour ceremony in London on June 15, 1985 (Photo by David Levenson/Getty Images)