Premise: Grace Patricia Kelly ( November 12 , 1929September 14 , 1982 ) was an American actress who became Princess of Monaco after marrying Prince Rainier III , in April 1956 . After embarking on an acting career in 1950 , at age 20 , 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 , she gained stardom from her performance in the film Mogambo , which won her a Golden Globe Award and an Academy Award nomination in 1954 . Subsequently , she had leading roles in five films , including The Country Girl ( 1954 ) , for which her deglamorized performance earned her an Academy Award for Best Actress .
Hypothesis: Grace Kelly was not an actress.
Label: CONTRADICTION