The pop singer whose real name is Robyn Fenty is Rihanna. Rihanna, whose full name is Robyn Rihanna Fenty, is a Barbadian singer, songwriter, actress, and businesswoman. She rose to prominence in the mid-2000s with hits like "Umbrella," "Diamonds," and "We Found Love," and has since become one of the most successful and influential artists in the music industry.