Yacht-hopping is a sport at which only the truly privileged can learn to excel. Naomi Watts, Charlotte Casiraghi, and Javier Bardem have got it down to a science this week as they go from party to glamorous party aboard the most luxurious yachts in the world. And the week is only half over! Below, pictures from the Festival's hottest parties so far, and guide to what's still to come.... More»