Attack of the 50 Foot Woman (1958), directed by Nathan H. Juran, is a classic American science fiction horror film rooted in Cold War anxieties. After a mysterious alien encounter, a wealthy woman grows to gigantic proportions and unleashes chaos on a small California town. The film blends creature spectacle with B-movie sensationalism, reflecting 1950s fears of radiation, alien contact, and social disruption.

Från IMDB:
When an abused socialite grows to giant size because of an alien encounter and an aborted murder attempt, she goes after her cheating husband with revenge on her mind.