Final answer:
Rita Hayworth and Raquel Welch transitioned from mainstream love goddesses to dark lady roles.
Step-by-step explanation:
Rita Hayworth and Raquel Welch, two well-known actresses, transitioned from being seen as mainstream love goddesses to playing dark lady roles in their careers. Rita Hayworth, whose birth name was Margarita Carmen Cansino, was known for her roles in films like Gilda, where she portrayed a seductive and mysterious character. Similarly, Raquel Welch, born Raquel Tejada, transitioned from being known for her beauty and sex appeal to taking on darker and more complex roles in movies like Fantastic Voyage and Fathom.