Oscar winner Tatum O'Neal was busted on Sunday for buying crack on the Lower East Side in New York City. The actress, who has had a history of drug abuse, was nabbed after she was spotted handing money to a street dealer by police. Tatum initially told the cops that she was "doing research for a part," but when they searched her and found two bags of drugs - one with crack, one with cocaine - and an unused crack pipe, she changed her story. "I've been clean for a long time," she claimed, according to an insider who spoke to the New York Post. "Today was the first time I was relapsing, but you guys saved me! Can you let me go?" Tatum was arrested and charged with seventh-degree criminal possession of a controlled substance, which is a misdemeanor. Tatum chronicled her addiction to heroin in her memoir, A Paper Life, and just eight months ago, publicly warned Britney Spears to seek "recovery and get her disease of addiction together." Tatum told Entertainment Tonight, "I relate to her and feel really sad for her. I did everything that she doesn't want to do."