Zac Efron a cokehead? High School Musical star did rehab for cocaine addiction

Former High School Musical star Zac Efron secretly completed a stint in rehab for a serious cocaine addiction five months ago, according to a report by TMZ. In a bid to apparently hide his coke habit, sources close to the star initially revealed he had spent time in rehab, and insinuated he had been treated for a drinking problem. Turns out though, according to sources cited by the entertai ...