Every time the stars head out to the Cannes Film Festival, we anticipate the most gorgeous red carpet looks. But every time the lovely celebs make their debut, their breathtaking dresses blow us out of the water. Seriously, we didn't know such shimmering, statement-making gowns even existed. Read on to see the feathered trains and sequined bodices that style stars like Sienna Miller, Karlie Kloss, Naomi Watts, and Julianne Moore are flaunting, and keep your eye out for their jaw-dropping accessories too. Because as every fashion girl knows, no outfit is complete without diamonds.
