Top 20 Countdown Week 18

thumb|300px|rightWeek 18 May 7 2011

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Katy Perry F/Kayne West

E.T.

20.The Downtown Fiction

I Just Wanna Run

19.DJ Khaled F/T-Pain Rick Ross Piles & Lil Wayne

Welcome To My Hood

18.Jessica Mauboy F/Jay Sean

What Happened To Us

17.My Chemical Romance

SING

16.Keri Hilson F/Rick Ross

The Way You Love Me

15.Augustana

Steal Your Heart

14.Sara Bareilles

Uncharted

13.Christina Perri

Arms

12.Lil Wayne

John (If I Die Today)

11.Beastie Boys

Make Some Noise

10.Selena Gomez & The Scene

Who Says

9.Jennifer Hudson

Where You At

8.Lady Gaga

Born This Way

7.Ke$ha

Blow

6.New Boyz F/The Cataracs & Dev

BackSeat

5.Plain White T's

Boomerang

4.The Black Eyed Peas

Just Can't Get Enough

3.Bruno Mars

The Lazy Song

2.Britney Spears

Till The World Ends

1.Katy Perry F/Kayne West

E.T.