Holly Willoughby’s new This Morning co-star has been revealed as none other than Good Morning Britain star Ben Shephard.The TV presenter is set to join Holly on the famous daytime sofa on Monday morning, stepping in for Irish star Craig Doyle, who has been appearing on and off for a few months. At the end of Friday's show, Ben was announced as the latest person to join the This Morning family by fellow presenters Alison Hammond and Dermot O’Leary.