In 1974, Tatum O’Neal became the youngest Oscar winner in history at just 10 years old. She won the Oscar for Actress in a Supporting Role for her performance as Addie Loggins in PAPER MOON. | The Academy

Tatum O'Neal won an Oscar at 10. She's still the youngest competitive Academy Award winner in history. In Paper Moon, she played a Depression-era child con artist opposite her real father, Ryan O'Neal. She had never acted before. Director Peter Bogdanovich approached her when she was eight years old for the role. The performance earned her Best Supporting Actress over Linda Blair in The Exorcist. But the backstory is darker—her father allegedly hit her when he learned she was nominated and he wa