This Christmas on The Jonathan Ross Show, Wossy welcomes king of comedy, funnyman Michael McIntyre to pull a few Christmas crackers, Sienna Miller talks about her new BBC drama The Girl, Sheridan Smith has two TV shows to plug - Mr Stink and Panto! - and Jamie Oliver cooks up a few yuletide treats. Welsh songbird Charlotte Church provides the music, and Paralympic stars Ellie Simmonds and Jonnie Peacock are also in the studio. Plus, a performance by Slava's Snowshow.