(1 of 10) Best Dressed Party GirlsThe holidays are here, which means office parties, cocktail hours, and other merry-making are bound to fill up your social calendar. To help make festivities all the more fun, we’ve outlined the 10 best party dresses for every shape and style. Sarah Michelle Gellar The Classicist: Audrey Hepburn fans should seek out little black dresses for a night on the town. To channel Old Hollywood glamour—like Miss Sarah Michelle Gellar does—opt for a lace-accented Empire dress that flatters every silhouette. D&G Dolce & Gabbana Lace Bustier Dress, $619.