The acclaimed actress got her first start in film opposite Woody Allen in Annie Hall. And it seems fitting for Weaver to get her break among Diane Keaton’s iconic tomboy fashion sense. Her credits include the Alien series, Ghostbusters, Working Girl, The Ice Storm, and Avatar, making Sigourney one of the best feminist role models in cinema since Garbo or Dietrich. Her strong sense of self translates onto the red carpet, where she has been known to rock looks from Lanvin.