We see London, we see France, we see Natalie Portman’s underpants? At a first glance, the gorgeous movie star looks demure…but then she turns around. Natalie got risque as she made her directorial debut at the Cannes Film Festival in a revealing black Rodarte gown. Now that’s taking sheer to a whole new level. Did this fashion risk pay off or was it a total fail? Let us know what you think by sounding off on our Facebook and Twitter!