Serena Williams in Bathing Suit Says "Mexico Was Great"

Serena Williams is heating up the tropics in her swimsuit! The GOAT shows off her incredibly fit figure in an orange swimsuit via her latest Instagram Stories, shared from a getaway. "About last weekend. Mexico was great. I met fans that sang tea cup songs with me. Saw one of the 7 wonders of the world. But mostly celebrated out bride to be. Even the moon came! All grown up. 🥺🥰@justusssb_ fun thanks @chablemaroma and #chablehotels #Xcaretexpeditions #justusthebride #foundhermainsqueeze #Jutusbridetribe," she captioned one set of photos. How does the mother-of-one maintain her fit physique? Read on to see 6 of Serena Williams’ top tips for staying in shape and the photos that prove they work—and to get beach-ready yourself, don't miss these essential 30 Best-Ever Celebrity Bikini Photos!

1. Fuel Your Body with Food

Serena views food as the fuel needed to keep her body going. "My philosophy is eat to live. Don't live to eat,” she told Women's Health. "You need it to survive. And [that's] very hard to live by, cause I definitely love to snack, but this is what I want. These are my goals."

2. Work Out Before You Eat

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Serena wakes up and hits the gym prior to eating. "I often don't make breakfast because I just forget or I'm running around getting Olympia ready. And then I go work out,” she told Women’s Health. "When I roll out of bed, I'm just not hungry."

3. Eat Mostly Plant-Based Foods

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Serena eats mostly plants. “I want to have a healthy lifestyle and, so you know, [I'm eating] a lot of greens and mostly plant-based lately, just super healthy stuff,” she told Women’s Health. "I had a bean burger the other day today…[Today] I had a gluten-free bean burrito.”

4. Eat Carbs When You Need Energy

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Serena eats complex carbs when she needs extra energy. "The only time I eat pasta is when I'm playing/training. Usually, you'll never see me eating pasta otherwise," she told Women’s Health. "I usually like to have lots of greens before my match and then fruit actually, and a little carbs and some sort of a protein.”

5. Enjoy Your Cheat Meal

Serena Williams/Instagram

Serena loves to indulge in a cheat meal. "I love Moon Pies. If 'Moon Pie' sponsored me, I'd be bigger than any house on this planet!" she joked to Women’s Health. "Eat a healthy diet 90% of the time and splurge 10% of the time," registered dietitian Kathy McManus, director of the Department of Nutrition at Harvard-affiliated Brigham and Women's Hospital says to Harvard Health. "Eating three meals a day for a week means 21 total meals: avoid splurging for more than two of those meals." She added: "If you occasionally go slightly over the daily guidelines for calories, salt, added sugar, and saturated fat intake, it's probably not going to be a problem. But making every meal a little unhealthy, by design — that's likely to cause problems."

6. Eat According to Your Mood

Serena Williams/Instagram

"I can have a smoothie for six months. And then I'll be like, I never want to see a smoothie again for the next six months. And then I'll be like, okay, I'm back on the smoothie. My eating is very moody,” she told Women’s Health. "Tossing a few handfuls of leafy greens or other veggies into a blender (along with your favorite fruits and other healthy additions) also can be an easy way to incorporate a wide variety of fresh produce into your diet," says Harvard Health.