The host presents a festive edition of the show. He is joined on the sofa by former X Files and The Fall star Gillian Anderson, fellow Hollywood actor Rob Lowe, 2018 Great British Bake Off winner Rahul Mandal, comedian Tom Allen and actress Sheridan Smith. Plus, there is music by John Legend and the Kingdom Choir, who were part of the celebrations during the wedding of Prince Harry and Meghan Markle in May.