Zac Efron hires sobriety coach?

London:Actor Zac Efron has reportedly hired a sobriety coach in a bid to help him control his alleged drug problems.

The `High School Musical` star, who sought treatment in rehab last year to control his hard-partying lifestyle and drug issues, is apparently working with an expert to help him stay on track, reported Contactmusic.

"Zac`s committed to his sobriety. It`s an ongoing process,"reportedly.

Last month, Efron, 26, and his bodyguard were involved in a fight with a group of transients in Los Angeles.

It was earlier reported that Efron, 26, had distanced himself from those who questioned his sobriety.

"People in his circle are concerned. He still needs help," the source added.

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