It's a fairytale moment as the actress sweeps the 2010 Met Costume Gala in this stunning Jason Wu chiffon gown.
As far as fancy outfits go, this elegantly layered Yves St. Laurent gown Camilla wears to the Metropolitan Opera premiere of Armida ranks up there with the best of them.
Pay attention, Bjork. This is how you do a swan dress—with a little help from Marchesa and Christian Louboutin.