Skinny Kristin Cavallari Flaunts 20-Pound Weight Loss: Her Low-Carb Paleo Diet Secrets

Kristin Cavallari is skinnier than ever after her recent 20-pound weight loss on a low-carb Paleo diet.

Cavallari showed off her sleek physique on Instagram, where she spotlighted her tiny waist and lean legs in slinky spring outfits.

Kristin is a fitness fanatic who makes a point to eat organic foods inspired by the Paleo diet, which limits processed foods and emphasizes high-quality proteins like grass-fed beef and bison, as Celebrity Health Fitness reported.

“I’m a freak about what I put in my mouth,” said Cavallari. “I’m constantly reading labels and I don’t eat any toxic chemicals, so I think that plays a huge role. I’m breast-feeding, which burns a ton of calories, and I can probably just thank my mama too, you know.”

Cavallari said her breakfast is usually a smoothie, oatmeal or eggs, while lunch is a salad or turkey sandwich. Kristin also snacks most afternoons, enjoying nuts with dried cherries, chips with hummus, or an apple with almond butter.

Kristin also eats plenty of healthy, Paleo-approved fats like olive oil, avocados, and coconut oil. “I also love avocados with olive oil and sea salt and I put coconut oil in or on everything,” she said.

Fitness expert Robb Wolf, author of the bestselling The Paleo Solution, said Paleo isn’t a fad diet because the emphasis is not on calorie restriction, and it provides a healthy balance of protein, vegetables and high-quality fats.

“Clinical trials have shown the Paleo diet is the optimum diet that can lower the risk of cardiovascular disease, blood pressure, markers of inflammation, help with weight loss, reduce acne, promote optimum health and athletic performance,” said professor Loren Cordain, author of The Paleo Diet for Athletes and The Paleo Diet Cookbook.

Kristin’s rapid post-baby weight loss isn’t surprising, since she lost all her baby weight in three months after her first pregnancy (in 2012).

Cavallari said she began working out just three weeks after her second son, Jaxon, was born (in May 2014).

Kristin exercises 30 to 45 minutes, four to five days a week, incorporating weight-lifting, and lots of squats and lunges. Cavallari will soon resume Pilates to tighten up her abs.

The slimline 5-foot-6 blonde beauty previously revealed she’s so obsessed with clean eating that she eats fast food just twice a year.

Interestingly, Cavallari thought she looked fat when she starred on the reality TV show “The Hills” in 2009, and slimmed down dramatically a few years ago after seeing an unflattering photo of herself.

Kristin has come a long way from “The Hills.” She’s now a successful designer with her own clothing line and shoe collection.

Related: Jessica Alba’s bikini diet and workout tips

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