The Cannes Film Festival kicked off in the South of France this week, and we've already seen a handful of fresh, Summer-ready looks from celebrity attendees (and a few bikini moments, too). When it comes to red carpet glamour, the annual event has brought out the best of the best since 1947, but over the years, some stars have ditched the pretty-princess route for a path that's. . . steamier. We've rounded up the sexiest looks to come out of Cannes — so far!