An owner of her own public relations firm, Kim Cattrall's Samantha Jones runs things her way in Sex and the City.New Line Cinema/courtesy Everett Collection
Miranda Priestly, The Devil Wears Prada
Meryl Streep may have intimidated viewers as the editor in chief of Runway, but her softer side was exposed before the credits rolled in The Devil Wears Prada.
20th Century Fox Film Corp/Courtesy Everett Collection
Evangeline Dandridge, Deliver Us from Eva
Gabrielle Union hooked us as an uncompromising, fast-talking health inspector who gets a promotion (and her guy) by the end of Deliver Us from Eva.
Courtesy Everett Collection
Elle Woods, Legally Blonde
Reese Witherspoon brought Elle Woods to life as she embarked on a quest to prove that she had what it takes to be a top lawyer in Legally Blonde.
Mary Evans/Ronald Grant/Everett Collection
Erin Brockovich, Erin Brockovich
Julia Roberts's character may not have been a traditional boss, but Erin Brockovich took charge in all senses of the word in this based-on-a-true-story tale of a woman seeking justice from a corrupt power company.
Universal/Courtesy Everett Collection
Judi Dench portrays a tough, smart M, the head of British intelligence agency MI6. She first appeared in the James Bond franchise in 1995's GoldenEye and kept calling the shots for 17 years, until 2012's Skyfall.
Keith Hamshere/Getty Images
Maggie Prescott, Funny Face
Kay Thompson played Maggie Prescott, a sharp fashion editor who guided Audrey Hepburn's character Jo Stockton's modeling career in Funny Face.