The Royal Family on the balcony at Buckingham Palace after the coronation of King George VI of England. Photo by Hulton-Deutsch Collection/CORBIS/Corbis via Getty Images.
King George VI with his daughters Princess Elizabeth and Princess Margaret in the grounds of Windsor Castle in Windsor, England on July 08, 1946. Photo by Lisa Sheridan/Studio Lisa/Getty Images.
Princess Elizabeth working on her studies at a desk in Windsor Castle. Photo by Lisa Sheridan/Studio Lisa/Getty Images.
Princess Margaret and Antony Armstrong-Jones in the grounds of Royal Lodge on the day they announced their engagement. Photo by Hulton Archive/Getty Images.
Princess Margaret walks with her husband Earl of Snowdon on a pontoon in the Bahamas. Photo by DALMAS/AFP/Getty Images.
Queen Elizabeth II with a group of local children during her state visit to Mexico, 1975. Photo by Serge Lemoine/Getty Images.
Queen Elizabeth II and Prince Philip on safari during their state visit to Zambia, 1979. Photo by Serge Lemoine/Getty Images.
Prince Andrew in the 1980's. Photo by Keystone-France/Gamma-Keystone via Getty Images.
Diana, Princess of Wales with Sarah Ferguson at the Guard's Polo Club, Windsor, 1983. Photo by Georges De Keerle/Getty Images.
Princess Diana with the Duchess of York during a skiing holiday in Klosters, Switzerland, 1988. Photo by James Andanson/Sygma via Getty Images.
Prince Charles and Lady Diana Spencer with Queen Elizabeth II and Prince Philip on the balcony at Buckingham Palace after their marriage ceremony at St Paul's Cathedral, 1981. Photo by MSI/Mirrorpix/Getty Images.
Prince Charles and Diana, Princess of Wales together during their honeymoon in Balmoral, Scotland, 1981. Photo by Serge Lemoine/Getty Images.
Princess Diana, Princess of Wales poses in a bikini while on holiday in the South of France. Photo by Anwar Hussein/WireImage.
Sarah Ferguson, Duchess of York inspecting The Guard Of Honour at R.A.F. Gaton in Berlin, Germany, 1989. Photo by Georges De Keerle/Getty Images.
Duke and Duchess of York, Prince Andrew and Sarah Ferguson on a boat during their visit to Venice, Italy in 1989. Photo by Georges De Keerle/Getty Images.
The Princess Of Wales with her two sons, Prince William and Prince Harry on a chairlift during a ski holiday in Lech, Austria. Photo by Tim Graham/Getty Images.
Prince of Wales on the slopes in Klosters, Switzerland, where he is on a skiing holiday with his sons Princes William and Harry. Photo by Tim Ockenden - PA Images/PA Images via Getty Images.
Princess Diana arriving at the Serpentine Gallery, London, in a gown by Christina Stambolian, 1994. Photo by Jayne Fincher/Getty Images.
The Duchess of York attends a charity premiere of 'A Little Princess' in London, with her daughters Beatrice and Eugenie, 1996. Photo by Dave Benett/Getty Images.
Kanye West shares a joke with Prince Harry and Prince William at Wembley Arena in London, 2007. Photo by CARL DE SOUZA/AFP/Getty Images.
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge drive from Buckingham Palace in a decorated sports car on April 29, 2011 after their wedding ceremony in London, England. Photo by Jeff J Mitchell/Getty Images.
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge watch a rodeo demonstration at a Government Reception at the BMO Centre on July 7, 2011 in Calgary, Canada. Photo by Chris Jackson/Getty Images.
Princess Beatrice and Princess Eugenie attend the 8th annual charity: ball Gala at the Duggal Greenhouse on December 16, 2013 in New York City. Photo by Michael Stewart/WireImage.
Catherine, Duchess of Cambride and Prince William, Duke of Cambridge ride in an open-air jeep on safari around the National Park at Kaziranga National Park on April 13, 2016 in Guwahati, India. Photo by Samir Hussein/Pool/WireImage.