13:00Radio 1 Breakfast with Greg JamesMonday - Charlie Simpson is Dev's Special GuestBBC Radio 1 Duration: 3 hours Mon 31st Oct 2011, 13:00 on BBC Radio 1 N. IrelandDev sits in for Greg James with top guest Charlie Simpson! Show more GenresMusicPop & ChartEntertainmentBrandRadio 1 Breakfast with Greg James Source: BBC Online