Keira Knightley wore a revealing Nina Ricci dress to the National Board of Review Awards Gala in New York City. The actress looked elegant and sexy in the see-through black lace dress from Ricci\'s Resort 2012 collection. Knightley accessorized with Roger Vivier Second Chance velvet sandals, opaque tights, and a sparkly ring. A wavy short hairstyle and rosy lips rounded out her red carpet ensemble, while red nails added a pop of color to her look.