01 (new) Sam Smith - Money On My Mind (1)

02 (3) Pharrell Williams - Happy (13)

03 (1) Clean Bandit feat. Jess Glynne - Rather Be (5)

04 (new) A Great Big World feat. Christina Aguilera - Say Something (1)

05 (2) Zedd feat. Hayley Williams - Stay The Night (2)

06 (10) Katy Perry feat. Juicy J - Dark Horse (9)

07 (4) David Guetta feat. Skylar Grey - Shot Me Down (2)

08 (8) Pitbull feat. Ke$ha - Timber (8)

09 (5) Katy B - Crying For No Reason (4)

10 (6) DJ Fresh vs Jay Fay feat. Ms Dynamite - Dibby Dibby Sound (3)

11 (7) will.i.am feat. Miley Cyrus, French Montana, Wiz Khalifa & DJ Mustard - Feelin' Myself (4)

12 (20) Beyoncé feat. Jay-Z - Drunk In Love (10)

13 (19) Imagine Dragons - Demons (6)

14 (13) Avicii - Hey Brother (15)

15 (12) Vance Joy - Riptide (7)

16 (9) Gorgon City feat. MNEK - Ready For Your Love (4)

17 (65) Tegan & Sara feat. The Lonely Island - Everything Is AWESOME!!! (2)

18 (23) Idina Menzel - Let It Go (11)

19 (18) Shakira feat. Rihanna - Can't Remember To Forget You (6)

20 (61) Bastille - Pompeii (49)

21 (new) Bastille & Rudimental feat. Ella Eyre - Pompeii / Waiting All Night (1)

22 (17) Jason Derulo - Trumpets (14)

23 (49) Beyoncé - XO (7)

24 (14) OneRepublic - If I Lose Myself (6)

25 (21) Ellie Goulding - How Long Will I Love You (15)

26 (36) Ellie Goulding - Goodness Gracious (3)

27 (22) Disclosure - F For You (11)

28 (11) Le Youth feat. Dominique Young Unique - Dance With Me (2)

29 (28) John Legend - All Of Me (3)

30 (16) Neon Jungle - Braveheart (5)

31 (29) Lorde - Team (4)

32 (new) M.A.D. - Fame & TV (1)

33 (62) John Newman - Love Me Again (32)

34 (26) OneRepublic - Counting Stars (29)

35 (53) Ellie Goulding - Burn (28)

36 (43) Lorde - Royals (18)

37 (34) American Authors - Best Day Of My Life (6)

38 (24) Fuse ODG - Million Pound Girl (Badder Than Bad) (8)

39 (re) Arctic Monkeys - Do I Wanna Know? (29)

40 (31) Avicii - Wake Me Up! (32)

41 (35) Katy Perry - Roar (25)

42 (re) Rudimental feat. Ella Eyre - Waiting All Night (26)

43 (57) Passenger - Let Her Go (45)

44 (39) Rihanna - What Now (12)

45 (27) The Vamps - Wild Heart (5)

46 (new) Sam Smith - Lay Me Down (1)

47 (63) Daft Punk feat. Pharrell Williams - Get Lucky (40)

48 (32) Eminem feat. Rihanna - Monster (17)

49 (46) Bastille - Of The Night (14)

50 (25) Tinie Tempah feat. Labrinth - Lover Not A Fighter (7)