TV Editor It's semi-final night on Strictly Come Dancing, Gary Barlow’s in London’s Natural History Museum, Deirdre O’Kane talks to Jason Byrne, The Vow comes to an end, and Pointless Celebrities calls on comedians . . . Pick of the Day Strictly Come Dancing, 7.00pm, BBC One Tess Daly and Claudia Winkleman host the semi-final. The Glitterball Trophy is within touching distance, and the stakes have never been higher for this year's contestants. Bill, HRVY, Jamie, Maisie and Ranvir take to the dancefloor for the semi-final, judged by Shirley Ballas, Motsi Mabuse and Craig Revel Horwood Tonight the five remaining couples will have to perform not one but two routines in a bid to impress the judges and viewers at home.