Laura Mulvey's theory from 1975 suggests that films typically adopt a male gaze and present women as sexual objects for the male audience's pleasure. The camera lingers on female bodies and women are portrayed as passive objects, while men are active subjects with whom the male audience identifies. However, the theory has been challenged as not all leading characters are male, and representations of women have become less stereotypical over time, as seen in films like Kill Bill that subvert traditional gender roles.