Outside of filming the ITV show, it's perhaps not unusual for Coronation Street star Jack P. Shepherd to be asked for a selfie by fans of his character David Platt.But when a fan approached him for a selfie while on holiday in York, the actor who has starred in the show since 2000, was left scratching his head when it transpired that the fan pretended to not know who he was and created an over inflated cover-up story.