Grace Patricia Kelly was an American film actress who, after marrying Prince Rainier III, became known as the Princess of Monaco.
After embarking on an acting career in 1950, at the age of 20, Grace Kelly appeared in New York City theatrical productions and more than 40 episodes of live drama productions broadcast during the early 1950s Golden Age of Television. In October 1953, Kelly gained stardom from her performance in the film Mogambo. This film won her a Golden Globe Award and an Academy Award nomination in 1954. She had leading roles in five films, including The Country Girl, for which her deglamorized performance earned her an Academy Award for Best Actress. Other films include High Noon with Gary Cooper, Alfred Hitchcock's Dial M for Murder with Ray Milland, Rear Window with James Stewart and To Catch a Thief with Cary Grant, and High Society with Frank Sinatra and Bing Crosby.
She retired from acting at the age of 26 to marry Prince Rainier and begin her duties in Monaco. She and Prince Rainier had three children: Caroline, Albert, and Stéphanie. She retained her American roots, maintaining dual U.S. and Monégasque citizenship.