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Vinny Guadagnino and Paul 'Pauly D' DelVecchio at the 2011 MTV Video Music Awards on August 28, 2011, in Los Angeles, California.

Jersey Shore's goofy and lovable Vinny has been sharing his dieting process with fans on his own Instagram and his diet Instagram page @KetoGuido. It seems to be really getting the job done! He has been so successful in Keto that he has become a regular dancer at Las Vegas' Chippendales!

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Jersey Shore's Vinny Makes Huge Change With Keto Diet!

He explained in his post "A lot of people didn't know that I struggled with my weight my whole life. I was the king of yo-yo dieting. I was my biggest during the years I was off TV, so a lot of people didn't realize."

"I don't have the best body in the world nor am I a pro bodybuilder, but over the last 5 years cutting out sugar, processed bread, pasta, grains, etc... that I've been eating my whole life and trading it in for veggies, protein and healthy natural FAT has kept me in shape and drastically improved my physical and mental health."

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"People make 10000 excuses why Keto is bad for you, not sustainable, is a fad, etc... (and it may not work for some specific people's health) but those just might be excuses because we're so addicted to bread and sugar. Cut that sh** out and eat a grass fed ribeye and some grilled veggies." This diet is CLEARLY working for Vinny, who has gone from lovable goofball to jaw-dropping hunk!

Be sure to check out his journey in the new episode of Jersey Shore Family Vacation!