You Won’t Believe These Photos of 20 Celebrities Before and After Drugs

17. Mischa Barton

Mischa’s biggest claim to fame was her role in The O.C. she had when she was just a teenager. The pressure of her early fame and the demands on her time from multiple job offers proved to be too much. She was found to be abusing drugs and was arrested for a DUI. She was also put into a psychiatric facility after her abuse of prescription drugs and becoming depressed and overwhelmed.