Kristin Cavallari in Bathing Suit is "Leaving it All Behind Me"

Kristin Cavallari is flaunting her fitter than ever figure – in her swimsuit. The reality star and jewelry designer shows off her fabulous physique in a bathing suit via one of her latest posts. “Leaving it all behind me,” the mother-of-three captioned the cheeky Instagram photo. “There she is,” commented Melissa Gorga, adding a bunch of fire emojis. “Yeaaaas,” added Jana Kramer. How does she stay so fit? Read on to see 5 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!

1. She Grows Her Own Produce and Cooks Her Own Food

Tommaso Boddi/Getty Images

Kristin eats as organic as possible. One way she does this is by growing her own fruits and veggies at her Tennessee home. “Filed under things that make me happy: my kids dirty pulling veggies from the greenhouse,” she captioned an Instagram photo of her harvest. She also has her own chickens who lay the eggs her family eats.

2. She Pumps Iron

Kristin Cavallari/Instagram

Kristin used to do a lot of cardio but now focuses her workouts around lifting heavy weights. “185lbs 💪🏻 new record for me,” she captioned a recent workout video. "He kicks my ass. He pushes me really hard. He has me actually lifting really heavy weight, the heaviest weight I've ever lifted in my entire life," she recently told Us Weekly about her workouts . “I feel the best I ever have. I feel like I’m the strongest I’ve ever been.” She added: “Usually, I’ll work out and maybe do 30 minutes of a VersaClimber [on a fourth day], which will also kick your butt, man.

3. She Skis

MEGA/GC Images via Getty Images

Kristin also loves skiing. “Mountain fun,” shen captioned a photo. Research has linked downhill skiing to a number of health benefits. Not only does it promote physical fitness, it may decrease risk of cardiovascular and metabolic diseases. Studies have also found that the more frequently a person skis, prevalence of known hypercholesterolemia, systemic hypertension, diabetes, the frequency of mental stress and the occurrence of memory deficits declines.

4. She Rides Bikes

Kristin Cavallari/Instagram

Whether she is at home or on vacation, Kristin loves staying in shape outdoors by cycling. “Morning routine,” she captioned this photo of herself, riding a bike while on a sunny getaway. The Cleveland Clinic explains that biking, a low-impact aerobic exercise, is great for building muscle, improving strength and flexibility, and improving balance. It can also boost mental health and help other health conditions, including arthritis.

5. She Doesn’t Weigh Herself

Kristin Cavallari/Instagram

Kristin has gained weight – and muscle – in the past year, and is proud of it! She has shared a lot of photos flaunting her weight gain. "I have a daughter and I think it's very difficult now for everybody, but especially girls growing up and looking at social media. This idea of body image is just so warped," she told Insider. "And I just worry about these young girls and so I think it just needs to be a bigger conversation about being OK gaining weight and not focusing on a number on the scale."