After finishing two secret stints in rehab and being involved in an attack in Los Angeles’ shady Skid Row district, Zac Efron is finally opening up about his addiction struggles and the truth behind his biggest tabloid scandals.

Earlier this year, the bright-eyed High School Musical heartthrob made headlines for all the wrong reasons when he got involved in a fracas with a homeless man, after his car was stranded near the underpass of the 110 freeway.