16:00The Official Chart on Radio 1 with Jack Saunders18/12/2011BBC Radio 1 Duration: 3 hours Sun 18th Dec 2011, 16:00 on BBC Radio 1 N. IrelandLittle Mix join Reggie live in the studio as he counts down the latest official Top 40 and reveals the UK's new No 1.GenresMusicPop & ChartExperimental & NewEntertainmentBrandThe Official Chart on Radio 1 with Jack Saunders Source: BBC Online