Zac Efron reportedly completed a stint in rehab earlier this year for substance abuse, and has successfully converted to a sober lifestyle.

Efron, 25, may have struggled with alcoholism and possibly harder drugs, reported TMZ. In the midst of filming Neighbors, Efron’s addictions apparently “spiraled out of control.”

Zac Efron in 'Neighbors'


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While filming Neighbors, which also star Seth Rogen, Rose Byrne and Dave Franco, Efron often didn’t show up to film his scenes, according to sources. "It was common knowledge he was struggling with cocaine,” an insider explained to TMZ.

Sometime during the height of his battle, Efron reportedly sought help in a rehabilitation facility and his now feeling better than ever. "He's healthy, happy and not drinking," a source told E! News. "He's taking time to focus on working." One day before the rehab story leaked, Efron seemed to corroborate the source at the Toronto International Film Festival, saying, “I’m good, real good.”

Efron in 'Parkland'

Efron was walking the red carpet at the film festival for the premiere of the new JFK assassination film Parkland. The political drama features an ensemble cast, which includes, Tom Welling, Paul Giamatti, Marcia Gay Harden, Colin Hanks, Ron Livingston and Billy Bob Thornton. Efron plays the lead of young ER doctor Jim Carrico, who tried in vain to save the life of the fatally shot president.

Parkland hits theaters Oct. 4, while Neighbors is scheduled for release May 9, 2014.

– Chelsea Regan

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For More Zac Efron News:

Zac Efron Goes Shirtless For ‘Neighbors’ Trailer

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'At Any Price' Movie Review: Efron Carries Struggling Script

Zac Efron Shirtless On 'Townies' Film Set

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