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Kevin Smith reveals he's now lost more than 40 pounds, post-heart attack

He's at his lowest weight since high school!
/ Source: TODAY

Kevin Smith is 47 years old — and at his lowest weight since he was a high schooler.

The director of films like "Clerks" and "Dogma" has dropped nearly 50 pounds since he had a heart attack in February, a wake-up call that sent him first to a fad potato diet ... but then into the much safer arms of Weight Watchers.

He credits much of his weight loss to Weight Watchers, or "WW" as he calls it, in his latest Instagram post (warning: some foul language in the caption):

"This #wwambassador is now at the absolute adult thinnest I’ve been since I finished high school!" he wrote in the caption.

It's a far cry from the Smith of 10 years ago; the director posted a before-and-after picture of himself in April, and the change is astonishing:

In March, the director revealed he had lost 20 pounds, saying that his blood pressure was "amazing" as a result.

"I feel great," he told TODAY during a visit in April, where he also revealed he'd become an ambassador for Weight Watchers. "Honestly the heart attack was the best thing that ever happened to me."

Smith had what's known as a "widowmaker" heart attack — a 100 percent blockage of his left anterior descending artery — and was saved by an emergency procedure that placed a stent in the artery.

"(I had) 100 percent blockage (for) years, so I wasn't getting proper oxygen," he said on TODAY. "So now I feel great."

We can tell! Keep up the good work, Kevin.

Follow Randee Dawn on Twitter.