By Rose Hill Rylan Clark will be replaced on his BBC Radio 2 show by Paddy McGuinness, who promises to provide an “endless supply of dad jokes”. The former It Takes Two host, 35, will be taking four weeks off in Feburary as the ex Top Gear host steps into the role. It comes as Rylan announced that he will be headlining at Henley Festival in July alongside the likes of Gladys Knight, Sam Ryder and Nicole Scherzinger. Alongside music and a string of guests, Paddy’s shows will feature the regular quiz Couch Potatoes which sees listeners go head-to-head to test their film and TV knowledge. The sho…