BULGING BLACK'S RED ALERT!

Fears mammoth star eating himself to death

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HEAVYWEIGHT funnyman Jack Black is looking heftier than ever, H and his friends are seriously worried he's rapidly digging his grave with a knife and fork, sources tell The National ENQUIRER! In alarming new photos, the 55-year-old School of Rock star was seen sporting a massive gut as he ambled through L.A. on a hot summer day.

"He looks huge and bloated," dishes a tipster.

"His eating and maybe his drinking have gotten out of control.