In 1974, Tatum O'Neal set a record that has remained unbroken for over half a century. At just 10 years and 148 days old, she won the Academy Award for Best Supporting Actress for her role as Addie Loggins in 'Paper Moon.' In the film, she played opposite her real-life father, Ryan O'Neal, as a precocious cigarette-smoking orphan who teams up with a con artist during the Great Depression. While Shirley Temple had received a non-competitive 'Juvenile Award' at age six, O'Neal was the first child to win a regular competitive Oscar against adult peers. Her win sparked significant debate regarding child actors and category fraud, as many felt her role was actually a lead performance. Despite her early success, O'Neal's career later struggled under the weight of child stardom, but her historic achievement stands as a testament to one of the most naturalistic child performances ever captured on film.