Paulina Porizkova, 56, Wears Only a Bed Sheet in Latest Pic

Czech model Paulina Porizkova is one of the most famous models in the world. She’s appeared in campaigns for Estee Lauder and on the cover of Sports Illustrated. Even in her 50s, Porizkova is still looking incredible. The model posted a photo on Instagram of her laying in bed naked, looking stunning, captioning the pic with an ode to mattresses. (When someone criticized it, she clapped back with "Us middle-aged women need to announce ourselves.") Read on to see 5 ways Paulina Porizkova 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 Practices Intermittent Fasting

Porizkova, like many other celebrities, is a fan of intermittent fasting, which means going a period of the day without food. Porizkova said on her Instagram, "I do the 16:8 diet, which just means basically that you don't eat for 16 hours and then you eat for eight. I generally take it as I eat whatever I want for eight hours because I like food, but I also kind of tend to like more healthy food." Porizkova says that this diet is easy for her to follow. "I did get hungry at first when I first started doing this diet. I'd kind of obsess about food, but then it sort of evens out. Now, I don't even think about it. In fact, I'm not at all hungry until 16 hours later when I do get hungry."

2. She Loves Vegan Smoothies

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Porizkova said on Instagram that she likes to break her fasts with a smoothie. She revealed that she loves vegan smoothies, specifically from Splendid Spoon. “They have all different flavors, this specific one is blackberry basil,” she says. “They also have these soups or noodles or rice, too—they have a whole bunch of stuff. It’s all vegan, it’s really good for you. It’s very healthy and I do this so I can go out to dinner and have whatever I want.”

3. She Does A Lot of Different Exercises

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Porizkova admits to Elle that she didn’t really start exercising until she was 40. “I never did anything before that. Just cigarettes and poor nutrition. I could eat whatever I wanted because I smoked.” Porizkova says participating in Dancing with the Stars inspired her to exercise, and that she does a lot of different types of exercises. She says, “I still dance. I've done boxing. I've done rowing. You name it, I've done it. Except for running. I don't like running. It doesn't feel good to me. It feels bad on my knees. I'd rather do Zumba. And Bollywood dancing is a great way to get the aerobic part done. I do some really hard rowing classes. It's become something that's like brushing my teeth. It's something I have to do.”

4. She Works Out To Help Her Mental Health

Porizkova admitted to Elle that she’s struggled with her mental health in the past, and that working out has helped her with this. She says, “I started exercising to help with my panic attacks and to get off antidepressants. I found out if I worked out everyday my anxiety was kept a lot at bay. And I felt better. So how great is that?”

5. She Embraces Aging

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Porizkova says that she doesn’t mind getting older, and has embraced it. She posted a bikini photo on Instagram and captioned it, “Combat age. Reverse aging. Rejuvenate. Anti age. None of this is possible. Yet, if you do an internet search on aging, this is what you‘ll get. Pills, potions and workouts to fight the aging process. You know what the only way to stop aging? Dying.” Porizkova continued, “I do not want to fight myself everyday for the rest of my life. But I do want to make the best of what I was given. And I want to shine a bright light in the dark corners of the shame that is heaped on women for daring to age.”