American actress Grace Kelly (1929 - 1982) and her fiance, Prince Rainier III of Monaco, at their engagement party, 1956. (Photo by Paul Popper/Popperfoto via Getty Images/Getty Images)
American actress Grace Kelly (1929 - 1982) and her fiance, Prince Rainier III of Monaco, at their engagement party, 1956. (Photo by Paul Popper/Popperfoto via Getty Images/Getty Images)