Maria Teresa Matus, the Chilean beauty and Arturo Vidal's ex-wife, has a fit figure and works hard to maintain it. She just shared a stunning new set of photos on Instagram this week. In them, she posed in a pool. Matus wore a light blue bathing suit and a silver visor, looking gorgeous. She captioned the post, "Happy Sunday." How does she stay so fit? Read on to see 5 ways Maria Teresa Matus 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!

Matus is all about self-love. She encouraged her followers to have the same attitude in this Instagram post. She wrote, "Smile!! Today is an excellent day to be proud of who you are!" It's good advice. "Negative thoughts manifest into chemical reactions that can affect your body by bringing more stress into your system and decreasing your immunity. By contrast, positive thoughts can actually release neuropeptides that help fight stress and potentially more-serious illnesses," says the Mayo Clinic. "Many people experience depression, sometimes due to chronic illnesses. Laughter can help lessen your stress, depression and anxiety and may make you feel happier. It can also improve your self-esteem."

Matus never gets super comfortable with the way her life is. She stressed the importance of this in the caption of this Instagram post. Matus wrote, "Time and circumstances can change at any time. Don't underestimate or hurt anyone. You may be powerful today, but remember time is more powerful than you!!! df44d9eab23ea271ddde7545ae2c09ec

Matus does a lot of outdoor activities to stay in shape. While she likes to spend time in the sun, she also enjoys the cold weather. One snow activity Matus likes to do is ride snowmobiles. She shared this photo on Instagram of herself riding in the mountains. She captioned the photo, "Andorra." 

Another outdoor activity Matus likes to do is go swimming. She shares a lot of photos on Instagram of herself in the water. She posted this set of photos of herself wading. Matus captioned it, "Believe in yourself!! And discover that there are no limits… Beautiful week for all." She also posted these photos of herself in the ocean in Hong Kong. She captioned it, "Smile, is the key to everyone's heart…Great day to everyone."

Matus likes to bike ride as a way of staying in shape. She posts a lot of photos of herself riding on Instagram. Matus shared this photo of herself riding in Barcelona. She captioned it, "And yes, sometimes it is necessary." Matus also posted this photo of herself riding by the beach in the Maldives. She captioned it, "Lindo domingo para todos. Enjoy life everyday."