19:00Nick Grimshaw and Annie Mac29/11/2009BBC Switch Duration: 3 hours Sun 29th Nov 2009, 19:00 on BBC Radio 1 N. IrelandLeona Lewis joins Nick and Annie to help cure your Sunday night boredom.GenresFactualArts, Culture & the MediaMusicPop & ChartExperimental & NewEntertainmentBrandNick Grimshaw and Annie Mac Source: BBC Online