'High School Musical 3' Star -- Detention Won't Cut It ... Gets 18 Months Behind Bars
Justin Martin -- who co-starred with Zac Efron in 'High School Musical 3' -- will be locked up for 18 months after pleading guilty to 5 gun charges ... TMZ has learned. The Suffolk County D.A.'s office tells us Martin appeared in court Tuesday for…
TMZ — Justin Martin -- who co-starred with Zac Efron in 'High School Musical 3' -- will be locked up for 18 months after pleading guilty to 5 gun charges ... TMZ has learned. T... more info