This list details celebs who were known habitual users of Oxycontin. Who are these famous oxy users? Take a look at this list and you'll see for yourself. For these celebrities, they faced a long road to recovery. Some have succeeded in their struggles, and some haven't. Unfortunately, not all on this list lived long enough to seek treatment. Hopefully, these famous stars will use their resources to kick their bad habits and get back in the limelight - and stay there for good.