Gibson Marks Five Years Sober

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August 1, 2011 | 9:00pm EST

Hollywood star Mel Gibson is celebrating five years sober.
The Braveheart actor has long battled a drinking problem and hit the headlines in 2006 when he was busted for driving under the influence (DUI) – the same incident in which he made a series of anti-Semitic remarks to the arresting officer.

Gibson entered an alcohol recovery program after the arrest and he has managed to stay off the booze ever since, according to

The actor marked the milestone on Friday with a small gathering of friends.