Even Hollywood’s biggest names need some time to relax in the sun when summer rolls around. Vintage beauties like Liz Taylor, Grace Kelly, and Sophia Loren were no strangers to hitting the beach, and were often snapped lounging in the sand or cooling off in the water. Whether they were filming a movie poolside or vacationing on a private island, these stars knew how to keep busy in the warmer months—and these photos are proof.