SEPTEMBER 2011

1 1 Adele – “Someone Like You” 1(×2) 11

2 2 Maroon 5 ft. Christina Aguilera – “Moves Like Jagger” 1(×2) 16

3 3 Beyoncé – “Love on Top” 1(×1) 11

4 4 Katy Perry – “Last Friday Night (T.G.I.F.)” 1(×5) 20

5 5 Adele – “Rolling in the Deep” 1(×9) 41

6 6 Demi Lovato – “Skyscraper” 2 13

7 7 Kelly Clarkson – “Mr. Know It All” 7 3

8 8 Rihanna – “Cheers (Drink to That)” 5 8

9 9 David Guetta ft. Nicki Minaj – “Turn Me On” 8 4

10 10 Rihanna – “Man Down” 3 18

11 11 Katy Perry ft. Kanye West – “E.T.” 1(×4) 40

12 12 Beyoncé – “Run the World (Girls)” 1(×6) 29

13 13 Nicki Minaj – “Super Bass” 2 25

14 14 Rihanna – “California King Bed” 5 24

15 15 Britney Spears ft. Nicki Minaj & Kesha – “Till the World Ends (The Femme Fatale Remix)” 1(×2) 34

16 16 Beyoncé – “Best Thing I Never Had” 2 16

17 17 Kesha – “Blow” 1(×6) 39

18 18 Jessie J – “Domino” 2 37

19 19 Jennifer Lopez ft. Pitbull – “On the Floor” 9 21

NE 20 Rihanna ft. Calvin Harris – “We Found Love” 20 1

DROPOUTS:

20 -- Adele – “Rumour Has It” 1(×1) 41