A celebrity blogger who says pop star Tulisa hit him at a music festival, has been accused of lying to police over a "lost" photograph of his injuries.
Ms Contostavlos denies assaulting Savvas Morgan at V Festival in Chelmsford, Essex, last August.
Her barrister said the fact a witness said a photograph never existed meant Mr Morgan had "misled police".
In response, Mr Morgan told Chelmsford Magistrates' Court he was "honest from the start and will keep being honest".
The trial against the former N-Dubz singer, 25, and her assistant Gareth Varey, 28, who denies threatening behaviour, resumed earlier after being adjourned for almost six weeks so further witnesses could be called.
Earlier the jury heard evidence from Jonathan Shalit who made a statement claiming that Royston Gooden Legore, who Mr Morgan says took the picture of his swollen eye, told him (Mr Shalit) that it never existed.
Mr Morgan responded by saying the picture had existed, but was deleted by Mr Legore, who told him he feared for his future in the music industry if he went against the pop star.
Ms Contostavlos's barrister, Jeremy Dein QC, asked Mr Morgan: "You have misled police throughout regarding the existence of a photo showing injuries to you, haven't you? That is why Mr Legore has not come forward, because there never was a photograph."
Mr Morgan denied the claim, replying: "I don't need to mislead the police about a picture. If there was no photo, I would have said.
"I was honest from the start and I will keep being honest. If you don't think there was a photo then that's the end of it."
The trial against the pair from Royal Drive, Friern Barnet, north London, continues.