20- Robie Williams - Bodies
19- Ke$ha - TiK ToK <24 days/Peak: 7>
18- Kate Voegele - 99 Times <36 days/Peak: 5>
17- Jordin Sparks - SOS (Let The Music Play) <22 days/Peak: 8>
16- Flyleaf - Again
Lostprophets
"It's Not The End of The World"
=| 2 Days | Peak @ 15
One Republic
"All The Rigth Moves"
DEBUT| 1 Day | Peak @ 14
The Used
"Blood On My Hands"
-4| 62 Days | Peak @ 1[1]
Paramore
"Ignorance"
-4| 60 Days | Peak @ 1[21]
Esmée Denters
"Admit it!"
+2| 11 Days | Peak @ 11
La Roux
"Bulletproof"
+2| 6 Days | Peak @ 10
Madonna
"Celebration"
+2| 31 Days | Peak @ 1[4]
Muse
"Uprising"
-3| 16 Days | Peak @ 1[1]
Ashley Tisdale
"Crank it Up"
=| 4 Days | Peak @ 7
Cascada
"Fever"
=| 9 Days | Peak @ 6
Kelly Clarkson
"Already Gone"
+5| 49 Days | Peak @ 1[10]
Pixie Lott
"Boys and Girls"
-1| 40 Days | Peak @ 1[6]
Panic! at The Disco
"New Pespective"
+1| 42 Days | Peak @ 1[2]
Little Boots
"Remedy"
=| 55 Days | Peak @ 2
Demi Lovato
"Gift of a Friend"
=| 12 Days | Peak @ 1[7]
Fall Offs:
Jordin Sparks - "SOS (Let The Music Play)" [22 Days | #14 | Peak #8]
y "I'm Like A Bird" ???
but the song is ok 
XD
Why Do You Love me?
I Think I'm Paranoid
Cherry Lips
Push It