Zac Efron has enjoyed a wild night out in Vancouver. The "High School Musical" actor - who has been desperate to shed his clean cut image in recent months - shocked onlookers by drinking a variety of alcoholic beverages during an evening with friends at Canadian night spot Opus Bar.

A source told FOX411: "They were all about partying. They were downing one Bitter Cherry Salome Sour after another, until they moved on to super strong Belvedere vodka and sodas."

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