Grace Patricia Kelly (later Grace, Princess of Monaco; November 12, 1929 – September 14, 1982) was an Acaemy Award-winning American film and stage actress. Upon marrying Rainier III, Prince of Monaco in 1956, she became Her Serene Highness The Princess of Monaco, but was generally known as Princess Grace 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 #13 amongst the Greatest Female Stars of All Time.