16:00The Official Chart on Radio 1 with Jack Saunders19/12/2010BBC Radio 1 Duration: 3 hours Sun 19th Dec 2010, 16:00 on BBC Radio 1 N. IrelandReggie counts down to reveal the year's Official UK Christmas No 1. Will it be X-Factor's Matt Cardle, could Bird be 'the word'? And where's Sir Cliff?GenresMusicPop & ChartEntertainmentBrandThe Official Chart on Radio 1 with Jack Saunders Source: BBC Online