Prince Rainier

Prince Rainier III and actress Princess Grace Kelly wave from the palace terrace at Monaco on April 18, 1956. The couple is hosting a garden party for the people of Monaco on the palace grounds after being married in a civil ceremony at the palace a few hours earlier.

Princess Grace Kelly waves to cheering crowds lining the road as she rides in an open car with Prince Rainier III following their marriage in a religious wedding ceremony in the Monaco Cathedral April 19, 1956.

Newlyweds Prince Rainier III and Grace Kelly leave for the Royal Palace in an open car following their marriage in the solemn rites of the Roman Catholic Church in Monaco Cathedral April 19, 1956.

Princess Grace and Prince Rainier III of Monaco are seen during their visit at the Atlantic City (N.J.) racetrack on Sept. 16, 1956.

Princess Grace and Prince Rainier of Monaco walk in the loge of Vatican Palace on their way to the Vatican apartments for an audience with Pope Pius XII in the Throne Hall, April 30, 1957. They are accompanied by papal chamberlain Msgr. Federico Callori di Vignale, left, and a Swiss Guard, right background.

Princess Grace and Prince Rainier of Monaco walk in St. Peter's Square as they leave the Vatican Palace after a private audience with Pope Pius XII in Vatican City, June 18, 1959. They are accompanied by Msgr. Federico Callori di Vignale, left, head of the pontiff's personal staff, and Msgr. Mario Nasalli Rocca di Cornegliano, papal chamberlain

Pictured at the Frank Sinatra Gala at the Sporting Club in Monaco June 9, 1962 ,are, left to right, Prince Rainier III of Monaco; Sinatra; Princess Grace, an old film friend of the singer; and newlywed Princess Sophia of Greece and Don Juan Carlos of Spain. In background are Prince Rainier's sister, Princess Antoinette, and her husband, Jean Charles Rey.

Prince Rainier III of Monaco and Princess Grace, holding Princess Stephanie, pose with their children on the palace steps in Monaco in April 1966. At left, foreground is Prince Albert, the second oldest, and at center is Princess Caroline. The Prince and Princess of Monaco will celebrate their 10th wedding anniversary on April 18.

After receiving the winner's cup of the 34th Grand Prix from Princess Grace and Prince Rainier, Austrian driver Niki Lauda puts it on the floor to listen to the national anthem, May 30, 1976.

Prince Ranier weeps as he follows the casket of Princes Grace in a funeral procession to Monaco's cathedral before the princess' burial Sept. 18, 1982. Flanking Rainer are daughter Caroline and son Albert. Behind them are Princess Grace's sister Peggy Conlan. Behind Caroline, is Princess Grace's brother John Kelly Jr.

Grand Duke Jean of Luxembourg, right, speaks with Cuban President Fidel Castro, center, as Monaco's Prince Rainier looks on at left, as they attend the funeral Mass for former President Francois Mitterrand at Notre Dame Cathedral in Paris, Thursday Jan. 11, 1996. Kings, princes and presidents descended on Paris for a somber, stately farewell to Mitterrand, the man who led France longer than anyone else this century.

Prince Rainier III of Monaco smiles to his daughters Princesses Stephanie, center, and Caroline, right, as he arrives at the Monte Carlo sporting club to attend the traditional Red Cross charity ball Friday Aug. 8, 1997, as Monaco principality celebrates the 7OOth anniversary of the Grimaldi family's reign.

From left, Princess Stephanie, Prince Rainier's sister Princess Antoinette, Prince Ernst-August of Hanover and his wife Princess Caroline, Prince Albert and Prince Rainier attend a mass Sunday, May 9, 1999, in the Monaco Cathedral, during festivites marking Prince Rainier's Jubilee anniversary of his reign.

Prince Albert of Monaco, second from left, chats with his father Prince Rainier, right, while his sister Princess Caroline of Hanover and her husband Prince Ernst August of Hanover, left, look on during Monaco National day ceremonies at the Monaco palace, Sunday, Nov. 19, 2000.

Prince Rainier of Monaco, center, with his daughters Princess Stephanie of Monaco, left, and Princess Caroline of Hanover, arrive at the "Bal de la Rose", Saturday, March 22, 2003, in Monaco.

Prince Rainier of Monaco waves to the crowd during the Monaco National Day parade at the Monaco Palace, Nov. 19, 2003.

Prince Rainier of Monaco, center, is applauded by Princess Stephanie of Monaco, right, and Prince Albert of Monaco, left, at the opening ceremony of the 29th Monte-Carlo International Circus Festival in Monaco, Jan. 20, 2005.

Prince Rainier of Monaco attends the closing ceremony of the 29th Monte-Carlo International Circus Festival in Monaco, in this Jan. 25, 2005 file photo.

Prince Rainier died, at the age of 81, on April 6, 2005, just four days after the death of Pope John Paul II. In this Dec. 19, 1997 file photo, the pope greets Princess Caroline of Monaco (unseen) as Prince Rainier looks on, upon their arrival at the Vatican for a private visit.

Monaco palace's flag flies at half-staff, after Prince Rainier III of Monaco died following heart, kidney and breathing problems, April 6, 2005. This flag is the Grimaldi, or royal family, flag.