10:00Fearne CottonSara Cox sits in for FearneBBC Radio 1 Duration: 2 hours, 45 minutes Mon 19th Dec 2011, 10:00 on BBC Radio 1 N. IrelandSara Cox sits in for Fearne Cotton to start the final countdown to Christmas. Show more GenresMusicPop & ChartEntertainmentBrandFearne Cotton Source: BBC Online