Sydney Sweeney was in a selfie-taking mood during a day at the beach with her lovable pooch, Tank. Since no one else was apparently around, the 24-year-old handled it like a pro and snapped a magazine-worthy shot with her dog, later telling her Instagram followers: "Believe it or not, selfie timer."
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!