George Clooney 's marriage is under renewed growing strain after the Hollywood star's recent "boozy relapse" left wife Amal Clooney fuming, with friends telling RadarOnline.com she has warned him that his drinking could destroy their relationship.

The 64-year-old actor, who appeared the picture of sophistication beside Amal, 47, at the Tony Awards in June, shocked fans when he later confessed in Esquire magazine he ended the night "like a high school drunk." Article continues below advertisement

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The Ocean's Eleven star admitted he had "caught up for all his abstinence in one night," joking he'd been "sick all day the next

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