Olivia Wilde is known for her roles in The O.C., Vinyl, and House. She's also become known as a director, with hit films like Booksmart and Don't Worry Darling. After a whirlwind of tabloid stories, Wilde is currently enjoying a beach vacation, and shared some stunning shots on her Instagram. In one post to her page, Wilde and a friend lounged on a hammock. In a photo to her story, Wilde posed in front of the ocean, captioning it, "Mahalo." How does she stay so fit? Read on to see 5 ways Olivia Wilde 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!

In an interview with Well + Good, Wilde revealed some of her wellness secrets. She says that she likes to make smoothies for breakfast. "In my smoothies, I'm a big fan of almond butter—I've found it's a constant in my smoothies. I'll use banana, almond milk, almond butter, then some kind of green—maybe spinach or kale and blueberries. Sometimes I'll use cacao to make a yummy chocolatey thing that tastes more like a shake than a smoothie. People who do just straight green smoothies are too intense for me.

Wilde has a busy schedule, but she always makes time to workout. She tells Well + Good that fitness is a priority for her, and she makes time to do quick exercises. "I'll work out in my house, or if I have time I'll go to a studio or a class," she says. "But I have less and less time to do that, so it's all about finding stolen moments. In my dressing room, if I have 20 minutes before a show, I know enough routines to do my own and squeeze it in when I can."

One thing Wilde does to stay in shape is walking. She tells CNBC that she does things throughout her day to get her steps in. "We already walk more than people in a lot of other cities. But when you have an option to walk or take a car, walk if it's an option. I'll take the stairs."

Environmentalism is extremely important to Wilde. She says that she makes sure to do things that benefit the planet. "People tend to equate indulgence with something naughty," Wilde tells Vogue. "If it's environmentally responsible, if it is better for your health, it can't be indulgent. I think we need to dig deep to reconstruct the cliché surrounding sustainability in beauty and allow people to understand that they can indulge in skin care and feel like they are treating themselves, even if it's something that's actually very good for the environment."

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Wilde tells Vogue that she is comfortable with her body. "I am someone who has had two babies, I'm in my late 30s, and I love my body now more than I ever have. I enjoy the opportunity to take care of myself. That's what my beauty ritual is: taking care of myself and celebrating my body at this stage of my life."