Costadinos Contostavlos, 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 lack of dress sense and his love for what he describes as "eye-catching headwear". His trademark was wearing a selection of woolly chullos, turning up one or both of the ear-flaps of the hat.