Tatum Beatrice O'Neal (born November 5, 1963) is an American actress and author. She is the youngest person ever to win a competitive Academy Award, which she won in 1974 at age 10 for her performance as Addie Loggins in Paper Moon opposite her father, Ryan O'Neal. She also starred in The Bad News Bears, in 1976, followed by Nickelodeon (1976), and Little Darlings (1980). Also known for being Michael Jackson's first girlfriend. In 1986, O'Neal married the professional tennis player John McEnroe, with whom she had three children. The couple separated in 1992 and were divorced in 1994.
On April 2, 1974, at age 10, Tatum O'Neal won the Academy Award for Best Supporting Actress and the Golden Globe Award for New Star Of The Year - Actress for her performance in Paper Moon, released in May 1973. The youngest ever to win a competitive Academy Award, she turned 9 years old during filming in autumn 1972. O'Neal played the role of Addie Loggins, a child con artist being tutored by a Depression-era grifter played by her father, Ryan. O'Neal also starred in films such as The Bad News Bears (1976) with Walter Matthau, International Velvet (1978) with Christopher Plummer and Anthony Hopkins, and Little Darlings (1980) with Kristy McNichol, and co-starred in Nickelodeon (1976) with her father Ryan, and in Circle of Two (1980) with Richard Burton. She appeared as the title character in the Faerie Tale Theatre episode "Goldilocks and the Three Bears" .