Watch highlights from this year's spectacular show.
5 Seconds of Summer perform Hey Everybody! at Radio 1's Teen Awards 2015.
Justin Bieber performs What Do You Mean? at Radio 1's Teen Awards 2015
Little Mix perform Love Me Like You at Radio 1's Teen Awards 2015
Nick Jonas performs Levels at Radio 1's Teen Awards 2015
Demi Lovato performs Confident at Radio 1's Teen Awards 2015
All Time Low perform Kids In The Dark at Radio 1's Teen Awards 2015.
