Drug addiction knows no boundaries and doesn’t pick or choose who it will affect. Celebrity drug addiction is commonplace today in the business, and it is just spotlighted more because of the high profiles of today’s celebrities. It’s not uncommon to hear about another celebrity entering rehab for drug addiction. The list can read like a Who’s Who of Hollywood.Big names like Whitney Houston, Keith Urban, Charlie Sheen, Robert Downey, Jr., and Drew Barrymore, to name just a few, have all been