The perils of fame: struggling with painful pasts, overnight success and other demons, countless A-listers -- from former child stars like Lindsay Lohan to Oscar winners like Robert Downey Jr. -- have sought help at rehab. Click through to see more celebs who've gone to rehab
After revealing his pre-fame struggles with drugs in 2011 Parade interview, the Glee actor voluntarily checked himself into rehab for substance abuse in March 2013, where he stayed for almost a month. Tragically, Monteith passed away months later at age 31 on July 13, 2013 after an accidental overdose from a mixture of heroin and alcohol.
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