Attack of the 50 Ft. Woman (1993)

While a woman by the name of Nancy is driving home from yelling at her husband at a motel who is with another woman, she is encountered by aliens that zap her with some kind of laser. As a result, Nancy finds herself growing everytime she gets angry. Her incredible anger makes her 50 feet tall & now she's a walking giant searching in a terrfied town for her husband who is with his other lover.