Summer lovin' had them a blast, summer lovin' happened so fast. Celebrities have been known to engage in a summer fling or two—and subsequently overshare it with the rest of us. It's a special brand of relationship that takes shape in the heat, and many of them fall flat once autumn arrives. But for those few sun-kissed months, it felt like it would last forever. As the summer season winds down, here's a look at the greatest over-the-top celebrity summer romances, some of which are still going strong.