20 Celebrities Who Have Battled Addiction In Rehab

17. Jason Mewes

Robert Downey Jr
CHRIS PIZZELLO/AP

Snootchie bootchies! The man famous for playing Jay (of Jay and Silent Bob fame) has had a horrible history with drugs and alcohol and has subsequently had many stints in rehab. Mewes, who is now clean, hosts a weekly podcast with Director and friend Kevin Smith as an 'intervention' of sorts.

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Student of film. Former professional wrestler. Supporter of Newcastle United. Don't cry for me, I'm already dead...