OCTOBER 2011

1 1 Adele – “Someone Like You” 1(×7) 16

2 2 Maroon 5 ft. Christina Aguilera – “Moves Like Jagger” 1(×2) 21

3 3 Rihanna ft. Calvin Harris – “We Found Love” 3 6

4 4 Beyoncé – “Love on Top” 1(×1) 16

5 5 Katy Perry – “Last Friday Night (T.G.I.F.)” 1(×5) 25

6 6 Adele – “Rolling in the Deep” 1(×9) 46

7 7 Kelly Clarkson – “Mr. Know It All” 6 8

8 8 David Guetta ft. Nicki Minaj – “Turn Me On” 5 9

9 9 Demi Lovato – “Skyscraper” 2 18

10 10 Katy Perry – “The One That Got Away” 10 5

11 11 Rihanna – “Cheers (Drink to That)” 5 13

12 12 Rihanna – “Man Down” 3 23

13 13 Katy Perry ft. Kanye West – “E.T.” 1(×4) 45

14 14 Beyoncé – “Run the World (Girls)” 1(×6) 34

15 15 Nicki Minaj – “Super Bass” 2 30

16 16 Rihanna – “California King Bed” 5 29

17 17 Britney Spears ft. Nicki Minaj & Kesha – “Till the World Ends (The Femme Fatale Remix)” 1(×2) 39

18 18 Beyoncé – “Best Thing I Never Had” 2 21

19 19 Kesha – “Blow” 1(×6) 44

NE 20 Girls' Generation – “The Boys” 20 1

DROPOUTS:

20 -- Jessie J – “Domino” 2 41