Brie Larson enjoyed "playtime" over the weekend and made sure to update her 7 million Instagram followers with her fun shenanigans. Sporting a bathing suit that showed off her amazing body, the actress ran around the lawn, played with the sprinkler, and hung out with friends.
Read on to learn about the activities that help her stay in shape, as well as the photographs that prove they work—and don't forget to check out the 30 Top Celebrity Swimsuit Moments to become beach-ready too!