Princess Astrid of Belgium with her fiance, Prince Lorenz, Archduke of Austria-Este (later Prince Lorenz of Belgium) in the grounds of the Chateau of Belvedere, Brussels, 13th May 1984. (Photo by Keystone/Hulton Archive/Getty Images)
Princess Astrid of Belgium with her fiance, Prince Lorenz, Archduke of Austria-Este (later Prince Lorenz of Belgium) in the grounds of the Chateau of Belvedere, Brussels, 13th May 1984. (Photo by Keystone/Hulton Archive/Getty Images)