Justin Bieber     No 1 UK 2015   1 Mark Ronson / Bruno Mars - Uptown Funk 2 Ellie Goulding - Love Me Like You Do 3 Years And Years - King 4 Sam Smith - Lay Me Down 5 Jess Glynne - Hold My Hand 6 Wiz Khalifa - See You Again 7 Omi - Cheerleader 8 Jason Derulo - Want To Want Me 9 TinieTempah - Not Letting Go 10 Lost Frequencies - Are You With Me 11 David Zowie - House Every Weekend 12 Little Mix - Black Magic 13 One Direction - Drag Me Down 14 Charlie Puth - Marvin Gaye 15 Jesse Glynne - Don't Be So Hard On Yourself 16 Rachel Platten - Fight Song 17 Justin Bieber - What Do You Mean 18 Sigala - Easy Love 19 Sam Smith - Writing's On The Wall 20 KDA / Tinie Tempah / Katy B - Turn The Music Louder ( Rumble ) 21 Adele - Hello 22 Justin Bieber - Love Yourself 23 Lewisham And Greenwich NHS Choir - A Bridge Over You