7 Celebrities Who Follow The Keto Diet — And Have Never Looked Better

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The actress doesn't only rely on a ketogenic diet to keep her body looking great; she uses it to manage her type 2 diabetes, too. Stalk her Instagram for keto snack tips or go straight to the source of Halle's inspiration: Maria Emmerich’s cookbook, Quick & Easy Ketogenic Cooking.

To get in Tomb Raider shape, Alicia decided to give keto a try, at the suggestion of her trainer. Seafood is her main source of protein, and she loads up on vegetables, with one caveat: Alicia's carb count can't go over 25 grams everyday, so green veggies fit the bill better than starchy ones. To get fat, the actress adds lots of avocado, coconut oil, and MCT oil to her meals.

After her gastric sleeve surgery, Mama June has had to follow strict diets to keep the weight off. Keto has helped her lose weight — even though she's not working out right now. "It's not that bad," she said in an interview. "It's like cheese, eggs, protein, meat, and you honestly lose weight with that. That's what I've been going back to, and it actually really works."

It's hard to keep up with Shore shenanigans while following the keto diet, but Vinny managed to do a decent job. One night, he even scalped a pizza of its cheese and pepperoni, leaving the crust for his carb-loving housemates. The method worked: He's down 50 pounds.

Kourt's not on the diet anymore, but she says she has plans to return to it later this year. "It was a really positive experience for me," she wrote on her app. Maybe she loved it so much because of the flexibility she gave herself: "I also did a 'treat yourself' day once a week, which really helped get me get through the few months that I did this diet."

You have to eat a lot of fat — healthy forms! — on the ketogenic diet, and Tim gets most of his from avocados. "I put them in my smoothies, guacamole, a bunch of different things," he told GQ.

Since going keto, Vanessa dropped 10 pounds from her already tiny frame. She said on Rachael Ray's show: “No carbs. No dairy. No refined sugar. [It’s] eating real foods. It’s honestly high-fat, high-protein. I think that we’ve been brainwashed to think that fat is bad, but really, it’s what going to make you feel fuller longer. And your body can burn it and use it as fuel."