Kristin Cavallari in Bathing Suit Stuns in New Collection Celebwell

Kristin Cavallari knows how to get everyone's attention on social media! The reality star turned fashion entrepreneur steamed up Instagram on Wednesday morning, sharing a photo of her incredibly toned body in a black strappy swimsuit top. How does the mother-of-three keep herself in such phenomenal physical form? Read on to see 6 ways Kristin Cavallari stays in shape and the photos that prove they work—and to get beach-ready yourself, don't miss these essential 30 Best-Ever Celebrity Bathing Suit Photos!

Kristin maintains a really healthy diet. She avoids sugar, white flour, and salt and usually cooks gluten-free. However, she does take a moderate approach. "I think of my diet as 80/20," she explained to Byrdie. "I eat really clean and don't eat anything processed. But, when I go out, I really go for it. I'm Italian and pasta is one of my favorite foods. That balance, having nothing ever be totally off-limits, allows you to stop worrying about food so much."

Kristin works out, usually at home. "I lift weights, but I do circuit training to keep my heart rate up," she told Us. "I also started doing hot yoga every once in a while. I don't do it as often as I would like, but I love it when I'm able to make it happen."

"I stick to a routine," she explained to Byrdie about one of the ways she keeps herself mentally and physically healthy. "I don't work on the weekends and I don't answer emails after a certain time in the evenings. I've had to become really regimented about that in the last few months." 

"I like having some muscle definition without being bulky or looking 'jacked,'" she revealed to US. "Seeing results makes me want to push harder and gets me excited in the gym. I can honestly say my butt has gotten a lot bigger from being consistent in the gym, working on it for the past year. These results don't happen overnight. It's important to be patient and stay the course."

Kristin is a big fan of bringing her food with her. "No matter where I'm going, if it's a plane ride that's an hour and a half, or if it's 14 hours, I am bringing food with me," she revealed to Forbes. "So that means I'm packing a meal like a salad. Or, I've brought leftovers on airplanes, made sandwiches, and then I bring a ton of snacks like Lorissa's Kitchen beef strips. I was just in Colorado this past weekend, and I brought sandwiches for my kids and a salad for me. Then wherever your destination, it's really about looking online and finding healthy spots. I'll sit on Google for hours trying to find great restaurants and cool coffee shops and juice bars."

"I eat with my kids every night at 5:15 p.m.," she told Us. "I find that I sleep better when I eat early like that. And I eat enough so that I'm not hungry before I go to bed."

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