13:00Radio 1 Breakfast with Greg JamesTuesday: Kelly Clarkson on Star CallerBBC Radio 1 Duration: 3 hours Tue 6th Dec 2011, 13:00 on BBC Radio 1 N. IrelandKelly Clarkson is Greg's Star Caller! Show more GenresMusicPop & ChartEntertainmentBrandRadio 1 Breakfast with Greg James Source: BBC Online