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FRANCE - FEBRUARY 09: Princess Liliane De Rethy, The Wife Of King Leopold Iii Of Belgium, On A Trip In Paris On February 9, 1949. (Photo by Keystone-France/Gamma-Keystone via Getty Images)

FRANCE - FEBRUARY 09:  Princess Liliane De Rethy, The Wife Of King Leopold Iii Of Belgium, On A Trip In Paris On February 9, 1949.  (Photo by Keystone-France/Gamma-Keystone via Getty Images)