Costadinos Contostavlos (Greek: Κωνσταντίνος Κοντόσταυλος; born 11 June 1987), better known by his stage name Dappy, is an English rapper, singer, songwriter and actor. He is the lead singer of the Camden-based hip hop and grime trio N-Dubz, with his cousin Tulisa and Fazer. He was known for his lac