riri "Unapologetic" singer's nickname "Umbrella" singer's nickname "Umbrella" singer, to her fans "Umbrella" singer, to fans "Rude Boy" performer's nickname "FourFiveSeconds" singer, to her fans "Disturbia" singer, familiarly ___ Williams, alter ego of Ironheart She sang "FourFive-Seconds" with Kanye and Macca Queen Bey : Beyonce :: ___ : Rihanna Nickname of the singer of 2007's "Umbrella" Nickname for Rihanna Nickname for Fenty Beauty's founder Madge : Madonna :: ___ : Rihanna "Work" singer, to her fans