Was cast as Blythe Hunter in "Wicked Wicked Games" (2006) after original choice Sean Young was fired after apparent clashes with its producers.

Niece of Kevin O'Neal.

Ex-sister-in-law of Rebecca De Mornay.

Dated Michael Jackson in the 70s.

Granddaughter of Patricia O'Neal and Charles O'Neal.

Youngest person to ever win a competitive Oscar (Best Supporting Actress, Paper Moon (1973))

Friendly with Jennifer Blanc and Michael Biehn.

Disapproved of her father Ryan O`Neal`s relationship with Ursula Andress so much so that she would speak about it to the tabloids even though she was just a child.

Was extremely vocal about being voted off of "Dancing with the Stars" (2005/I) before the disastrous Master P.

Her mother, Joanna Cook Moore died on November 22, 1997 of lung cancer.

One of a very few performers to win an Oscar for their debut performance.

Ranked #14 in VH1`s list of the "100 Greatest Kid Stars"

Half-sister of Patrick O`Neal.

According to her autobiography "A Paper Life", she was not named after her paternal grandmother as was widely rumored for years but actually named after jazz pianist Art Tatum.

She was named Female Star of the Year by the National Association of Theater Owners in 1976

Her memoirs "A Paper Life" debuted at #4 on the New York Times Bestseller List.

Recently published her memoirs, "A Paper Life", that exposes her troubled childhood, long battles with her father and Farrah Fawcett, her explosive union with John McEnroe and the bitter custody suit over her three children with the tennis great. [2004]

Was Michael Jackson`s first girlfriend and by all accounts his first big love. In her biography, she wrote that the song `She`s Out Of My Life` was written by Michael for her; however, he did not write that song.

Highest paid child star in history when she made The Bad News Bears (1976) in 1976.

Disapproved of her father actor Ryan O`Neal`s relationship with Farrah Fawcett.

Youngest person to ever win a competitive Oscar (Best Supporting Actress, Paper Moon (1973)

Has 2 sons and 1 daughter by John McEnroe.

Sister of actor Griffin O`Neal.

Daughter of actors Ryan O`Neal and Joanna Cook Moore.

Ex-husband John McEnroe won custody of their children after a prolonged custody battle.

Children with John McEnroe: Kevin (b. 23 May 1986), Sean (b. 23 September 1987) and Emily (b. 10 May 1991)