Albert II (Albert Alexandre Louis Pierre Grimaldi; born 14 March 1958) is the reigning Prince of Monaco and head of the princely house of Grimaldi. He is the son of Prince Rainier III and Princess Grace (formerly Grace Kelly, the American actress). Prince Albert's sisters are Caroline, Princess of Hanover, and Princess Stéphanie. In July 2011, Prince Albert married Charlene Wittstock. They have two children, Princess Gabriella and Prince Jacques.