Selena Gomez has denied rumours that she has begun a relationship with Justin Bieber.Suspicions were aroused last week after the teen celebrities were spotted out together in Los Angeles.A source reported that the pair were "joking around and laughing" and holding hands while at Menchie's in the Encino area.However, a representative from Gomez's camp has now denied that there is any truth to the rumours, telling Gossip Cop that the duo are "just friends".
