Carrie Underwood in Bathing Suit is With "Sisters"

Carrie Underwood is one of the most successful country singers of all time. She made waves as the fourth winner of American Idol, which launched her impressive career. Underwood went on to win several awards, launch an acting career, and become a member of the Grand Old Opry. Underwood recently shared some photos of her three sisters in law on Instagram, which includes a shot of them on the beach. She captioned the post, “Sisters…Not by blood…But sisters nonetheless. 💕God truly showed us great favor by putting us all together. These ladies are strong, kind and faithful and I’m so happy I get to do life with them!!! It’s true that you don’t get to choose your family, but if I could, I would choose these exact three women to be my sisters-in-law!” How does she stay so fit? Read on to see 5 ways Carrie Underwood 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 Made Changes

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Underwood opened up about her diet and wellness routine to TODAY. She says that she had to make a lot of changes recently. "I found myself feeling sluggish and not feeling like I had as much energy or had that get-up-and-go that I did when I was younger, when I was in my teens," she adds. "So that's when I started taking a look at what I was putting in my body, how I was treating my body. I wanted to be around doing what I do for a long time and I just slowly started getting into it. I've learned a lot along the way, and now I know what it feels like when I don't work out, when I don't eat right, when I don't stay hydrated and I don't like that."

2. She Walks

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Underwood tells TODAY that she does a lot of walking to stay in shape. "I always tell people, if you don't work out or you've never worked out, going for a walk is a great way to get moving," Underwood says. "My kids are very active, they love to play outside. So, if they are already playing outside, and I'm around, instead of sitting on a bench, watching them play, it's easy to walk around the area that they're playing in.”

3. She Incorporates Little Things

For Underwood, wellness isn’t complicated. She tells TODAY that her wellness routine is all about doing little things each day. “You can do some step-ups or dips on a bench,” she uses as an example. “Doing little things along the way really does add up. Eating right, staying hydrated, moving more, it's not super difficult."

4. She Works Out On The Road

Underwood does a lot of traveling, but she always makes time to work out while doing so. She shared some of her secrets with TODAY. “When I think about things to workout with, if I can find a treadmill at a hotel — which most most hotels have one — I can get some sort of something in. Or just free weights or bands. I usually travel with mini bands in my suitcase, because they don't take up much room, or a collapsible ab wheel that you can take apart, something that's small. Those things are just easy to have in your suitcase, and it's saved me on many occasions. If you do find yourself in a space that doesn't have the best gym or it's super crowded, I could just stay in my room and feel like I got a good workout in."

5. She Loves Coconut Oil

Underwood has amazing skin and hair. She shared some of her favorite products and tips to TODAY. “I love using coconut oil as a moisturizer because it makes my skin feel nice and soft. You can also use it to protect your hair, among other things. I’m a fan of products that do more than just one thing!"