Diahnne Abbott is an American actress and singer, best known for her performances in several notable films from the 1970s and 1980s. Her career is closely linked to her collaborations with director Martin Scorsese and actor Robert De Niro. She made her screen debut with a role in "Taxi Driver" (1976), later gaining wider recognition in the musical film "New York, New York" (1977), where she also showcased her singing talents with her rendition of the song "Honeysuckle Rose." Her most significant performance is considered to be her role as Rita Keane in the film "The King of Comedy" (1982). Her filmography also includes appearances in "Jo Jo Dancer, Your Life Is Calling" (1986) and the television series "Crime Story." Although she did not receive major awards, her contribution to the cinema of that decade is recognized for the quality and impact of her performances in films that have since become classics.