Diahnne Abbott , sometimes credited as Diahnne Eugenia Abbott or Diahnne D a, is an American actress and singer. Abbott played supporting roles in films of the 1970s and 1980s, including Taxi Driver. Abbott was married to actor Robert De Niro. They had a son together, Raphael, named after the hotel in Rome where he was conceived, and De Niro adopted Drena, Abbott's daughter from a previous marriage. (Drena De Niro has appeared in her father's movies Showtime, Wag the Dog and City by the Sea.) De Niro and Abbott divorced in 1988.