John Bishop's at the helm of an action packed night of entertainment from the London Palladium. This year's line-up features Gary Barlow, Olly Murs, Jessie J, Mary J Blige, Bryn Terfel, Gareth Malone with Voices, Britain's Got Talent winners Attraction, and the casts of West End shows Charlie and the Chocolate Factory and Stephen Ward. Harry Hill introduces a preview of I Can't Sing! The X Factor Musical, and there's comedy from Dame Edna Everage, Jimmy Carr, Seann Walsh, Jason Byrne and Hal Cruttenden. And that's just the tip of the iceberg...