16:00Radio 1 Breakfast with Greg JamesMonday: Justin BieberBBC Radio 1 Duration: 1 hour, 45 minutes Mon 3rd Sep 2012, 16:00 on BBC Radio 1 EnglandSomeone gets surprised in Star Caller! Show more GenresMusicPop & ChartEntertainmentBrandRadio 1 Breakfast with Greg James Source: BBC Online