Stephen Merchant and Josh Widdicombe are the latest stars to join Celebrity Gogglebox.The 49 year old comedian and his fellow funnyman, Josh, 41, will be appearing on the celebrity version of the popular Channel 4 show, which films reactions to current television in aid of Stand Up to Cancer. Stephen shared: "I don’t usually allow talking when the TV is on, because I know how much hard work goes into making shows, so I try to give them my full attention.