Katarzyna Glinka in Bathing Suit is "The Best on the Baltic Sea"

Polish actress Katarzyna Glinka is reminding fans of the beauty of the Baltic Sea. Glinka, 46, shared pictures of herself posing on the beach in a black bikini and straw sunhat, looking blissfully happy in the sunshine. "The Baltic Sea is the best! ❤️💫❤️ Who has already started the season?" she captioned the post. How does she stay so fit? Read on to see 5 ways Glinka 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!

Glinka sticks to a healthy diet but allows room for treats and indulgences. "Of course, I try to eat healthy, [I] do not combine fats with carbohydrates," she says. "I feel that for my body, this is a very good direction. But that doesn't mean I'm not tempted. My mother cooks according to very traditional Polish cuisine and I can't imagine that being on a healthy diet I won't eat pork chops with potatoes at my mother's. Of course I will. I try to be reasonable about everything. The main thing is not to forget about movement."

Glinka loves staying active and trying out new sports.  "Of course, the swimming pool relaxes me the most, and the sauna, which I love, although I'm not sure if it's healthy in excess," she jokes. "I go skiing, cycling and I also like to play tennis."

Glinka was thrilled when her doctor not only gave her the go-ahead to exercise during pregnancy, but recommended it. "I know it's not always possible, but I didn't think it was actually advisable!" she says. "Can a woman who takes care of herself exclude such an important element as physical activity in everyday life? NO ! Definitely not! The changes that motherhood brings are the perfect reason to start taking care of the two of you now, with double strength!"

Glinka manages stress to avoid it negatively impacting her health. "I try not to regret anything in life. I believe that each person has their own story and adventure," she says. "What happens to us has meaning. I try to stick to it. The feeling of grief causes a lot of tension and unnecessary pressure, and this is not good for health (laughs). So, once again, I have no regrets in my life. This may sound a bit selfish, but it's true. Even bad decisions enrich our lives."

Glinka says having children taught her the value of mental as well as physical health. "After the birth of my son, I decided that I no longer needed such an intense and overstimulated world," she says. "And indeed, these were not just empty words or reflections, because since then I have started working a lot less. I focused on mindfulness, started working on myself, started asking myself many questions that turned out to be crucial and it was a turning point."