"I feel like these are photos of two different people," the Ace of Cakes star wrote on Instagram.

Duff Goldman doesn’t even recognize himself.

The former Ace of Cakes star took to Instagram on Tuesday to show off his impressive weight loss with his before and after photos—which were taken only three months apart. “Wow. It’s been three months and I feel like these are photos of two different people,” he wrote of the selfies highlighting his noticeably thinner face.

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Goldman told curious commenters that he dropped the weight the “old school” way by “eating clean, riding my bike, lifting weights.”

Friends of the Food Network chef including Michael Voltaggio and Rocco DiSpirito joined in on congratulating Goldman on his success so far. “@duffgoldman really impressive work bro!” commented DiSpirito, who’s known for his own 30 lb. weight loss. “You look terrific and I am sure feel even better.”

Image zoom Duff Goldman/Instagram

Though this is his first time sharing a transformation photo, Goldman has been documenting his efforts on Instagram recently. While on trip to Israel on Sunday, the chef channeled his inner Dwayne “The Rock” Johnson by sampling the “local plant life” and enjoying an early morning workout with his brother.

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Goldman even kept to his diet on arguably the year’s most food-centric holiday. “July 4th when you’re eatin’ clean. Elk and Bison burgers,” he shared on a photo of his bun-less burgers, pickles and grilled zucchini.

But all his hard work is clearly paying off. Last week, Goldman revealed that he’s at the stage in his weight loss when it’s time for a whole new wardrobe.

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