Thirty years ago, on September 14, 1982, Princess Grace of Monaco died. She had been driving the day the day before, accompanied by her youngest daughter, Princess Stephanie, from Roc Agel, the family’s country home, back to Monaco, when Princess Grace suffered a stroke. The princess was the famed actress Grace Kelly when she married Prince Rainier III of Monaco in April 1956. The couple had three children: Princess Caroline (b. 1957), Prince Albert II (b. 19858) and Princess Stephanie (b. 1965). Photos by Corbis.