Olivia Pierson in Bathing Suit Hits the "Lagoon"

Olivia Pierson, the reality star (Relatively Nat & Liv) and fashion maven, posts a lot of stunning photos on her Instagram. Pierson has never been afraid to show off her incredible figure in a swimsuit photo. She just posted a new set of photos from her trip to the Dominican Republic. In them, Pierson posed in the water in a brown and orange patterned bathing suit. She captioned the post, “Lagoon swim.” How does she stay so fit? Read on to see 5 ways Olivia Pierson 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 Stays Hydrated

One of Pierson’s biggest wellness secrets is staying hydrated. She says that she always makes sure to drink enough water. In a “25 Things You Don’t Know About Me” interview with Us Weekly, Pierson says, “I cannot leave the house without a bottle of water.” “By consuming the minimum recommendation of water, you’re helping your body function better and improving your overall health,” says the Mayo Clinic. “Drinking water does more than just quench your thirst — it’s essential to keeping your body functioning properly and feeling healthy. Nearly all of your body’s major systems depend on water to function and survive. You’d be surprised about what staying hydrated can do for your body.”

2. She Spends Time Outside

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Pierson loves to spend time outside. She has posted several outdoor photos on her Instagram account. She posted this series of photos of herself going for a walk to the beach, captioning it, “Happy place.” Pierson also posted this photo of the ocean, captioning it, “Looking forward to ocean days.”

3. She Does Activites With Her Family

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Pierson is very close to her family. In this interview with Pretty Little Thing that she did with her cousin and business partner, Natalie Halcro, the two revealed that they do a lot of activities with their family. “We do things like go fishing with our family,” Halcro said.

4. She Has Supportive Friends

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In addition to having supportive family members, Pierson also has supportive friends. Namely, the Kardashians. Pierson told People that Kim Kardashian was extremely supportive of her when she was first launching her fashion line. “She has been so encouraging,” says Pierson. “And it’s been nice to confide in her because she has a really big family too, so when filming gets hectic she has really positive things to say.”

5. She Isn’t Afraid To Indulge

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Pierson reveals in her Us Weekly “25 Things You Don’t Know About Me” interview that she isn’t afraid to indulge. She opened up about her love of certain foods. “My last meal would be a burger and fries from Shake Shack,” she says. “My signature dish is mac ‘n cheese.”