Hollywood has always had a reputation for being a bit off-kilter. Given the demands of stardom and a career based almost entirely on appearance, it's no surprise that some of its finest on-screen beauties either begin to unravel in front of the public eye or lose themselves altogether. From young starlets struggling with drug addiction and jailtime to legends wading through multiple marriages and secret pregnancies, here are the 50 Most Infamous Actresses of All Time.

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