To complement her custom Balenciaga twisted-back gown, Kidman's tresses were swept up and back into a bouncy bouffant. Inspired by Sienna Miller, Carolyn Murphy, and Saoirse Ronan, Kidman's ...

From Jane Birkin-inspired bob hairstyles to laissez-faire French ones, it seems that everyone and their sister/girlfriend/mother has caught bob fever; and there is no shortage of inspiration.