By Susan Knox BBC The Traitors, is reportedly set to have a star-studded spin-off with a line-up of celebrity fans. Producers of the murder-mystery game show are said to be looking at a large pool of famous faces who are fans of the BBC show. They aim to select celebrities who will excel in the treacherous whodunnit game, hosted by Claudia Winkleman, which is due to reach its exciting finale this Friday night. Likely targets are said to include Wagatha Christie rivals Coleen Rooney and Rebekah Vardy, former Health Secretary Matt Hancock, and outspoken Match of the Day host Gary Lineker. A tell…