Some celebrities are open about their sobriety. Josh Brolin recently celebrated five years of sobriety and Amanda Bynes has been clean for nearly four years. Other celebrities, like Blake Lively, have chosen to abstain from drinking. Not everyone in Hollywood drinks. For some celebrities, sobriety comes after overcoming addiction. Josh Brolin recently celebrated 5 years of sobriety, and Demi Lovato is open about her struggles.