Grace, Princess of Monaco née Grace Patricia Kelly (November 12, 1929 – September 14, 1982) was an Academy Award-winning American film and stage actress who, upon marriage to Rainier III, Prince of Monaco in 1956, became Her Serene Highness The Princess of Monaco, but was generally known as Princess Gracia Patricia of Monaco. Princess Grace maintained dual American and Monegasque citizenship after her marriage. The principality's current Sovereign Prince, Albert II is the son of Prince Rainier and Princess Grace. The American Film Institute ranked Kelly No. 13 amongst the Greatest Female Stars of All Time.