Oscar-nominated filmmaker Greta Gerwig is a film fan and cinephile first, so it comes as no surprise that the “Little Women” director is able to quickly conjure up some of her favorite pieces of below the line artistry with little in the way of prompting. Such is the case when it comes to the work of costume designer Jacqueline Durran, a long-time collaborator of Gerwig’s self-professed favorite filmmaker Mike Leigh, and a bonafide genius in Gerwig’s eyes.