Katy Perry is a very familiar name in the pop music industry. With hits like “Firework,” “Roar,” and “California Girls,” Katy Perry has become a worldwide pop star. The singer was born Katheryn Elizabeth Hudson. Her name change to Katy Perry was out of the fear that people would confuse her with Kate Hudson the actress. When she moved to Los Angeles to pursue her music career, she used her mother’s maiden name, Perry. It is clear that both Kate Hudson’s are successful names in the entertainment world.