Published Wednesday, 19 March 2014
Former N-Dubz singer Dappy. (© PA)
The 26-year-old, whose real name is Costadinos Contostavlos, is accused of attacking the man in the early hours of 27 February after he made an appearance at Chicago's nightclub in Chelmsford, Essex.
He pleaded not guilty at Chelmsford Magistrates' Court on Wednesday to one count of assault by beating.
Contostavlos, of St Albans, Hertfordshire, was granted unconditional bail and will stand trial at Chelmsford Magistrates' Court on 18 June.
© UTV News