Bella Hadid in Bathing Suit Stuns on the Beach

Bella Hadid has the coolest friends, and perhaps the coolest is Alana O’Herlihy (@lilmami_lani), the multimedia artist. “Happy Bornday to the girl that makes the world go round,” Hadid captioned photos of the two of them; she also included one of the two on the beach. How does Hadid stay so fit? Read on to see 5 ways Bella Hadid 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’s Particular With Her Trainers

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Hadid, like many people, likes to workout with a personal trainer, and she admits that she is a little picky about who she works out with. Hadid’s personal trainer is Rob Piela, and she tells Stylecaster.com that she only works out with him. “I literally can’t work out with anybody,” she said. “It has to be me and him. If I am working with other people, I freak out.”

2. She Works Out For Two Hours At A Time

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Hadid tells E! News that she is dedicated to working out, and that some of her gym sessions are pretty long. "When I workout . . . I train and I work out hard for two hours," she says.

3. She Enjoys Working Out

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While some people might dread working out, Hadid doesn’t. In fact, she says that she enjoys it, and that this helps her work out on a consistent basis. She tells E! News, “If I'm gonna go for it, I'm gonna go hard. I really do like it.”

4. She Eats A Lot Of Protein

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When it comes to her diet, Hadid says that she incorporates a lot of protein into it, especially if she has a big job coming up. "I've been eating hard protein every day,” she told People.

5. She Stays On Track

Hadid says that her health secrets aren’t all that major or complicated. She says to People that she stays consistent and stays on her current track, and she sees results. “I worked out so hard and everybody is like, ‘Oh, she looks so skinny blah, blah, blah,” she says. “But I think that if you just stick to something you can really achieve so much. I’ve been eating hard protein every day, and working out for three hours every day. It’s crazy but I think that you know if you set your mind to something I think you can succeed.”