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Britney Spears, much like Bynes, skyrocketed to fame at a young age before plummeting to rock bottom at an even greater velocity years later. We all watched in horror and grotesque delight as 25-year-old Spears shaved her head, attacked a paparazzi with an umbrella, and then checked herself into rehab. The same year marked the downward spiral of yet another child star turned trouble starlet — Lindsay Lohan was arrested for her first DUI.

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