Britain's Got Talent fans think they've rumbled magician Damien O’Brien
here"Easy...he’s got 52 Instagram accounts ...each with a picture of a different card!" said another viewer.And another said: "It doesn't match perfectly, the card image is complete on the phone, the card in her hand has a little bit of the bottom of the club on it." But other fans of the ITV talent show, which was won by singer Jon Courtenay, said they had no idea how he did his clever act. "BRILLIANT!! Great magic, no idea how he did it and he presented it so well! I was captivated from start to finish!! AMAZING!" said one."Had me gripped throughout trying to work out how he did it," tweeted another."That was amazing I have no idea how he did that WOW," said another.And another viewer praised: "Very clever act.