Designer Michael O'Connor won an Academy Award for Best Costume Design for this 2008 drama, and it's easy to see why. With its voluminous skirt (achieved with hooped petticoats), Georgiana (Keira Knightley)'s dress looks like a work of art straight out of the 1700s. "This is a duchess," O'Connor said to W Magazine. "She spent fortunes on clothes. You're creating a wardrobe for people who were noted for what they wore." And, consistent with the era, when brides were often sewn into their gown...