15-Lady GaGa - Poker Face <13 days/Peak:02>
14-Katy Perry - Thinking Of You <19 days/Peak:03>
13-Kat DeLuna - Unstoppable <7 days/Peak:02>
12-Flo Rida feat. Kesha - Right Round <7 days/Peak:06>
11-David Archuleta - A Little Too Not over You <2 days/Peak:10>
Taylor Swift - White Horse (16th day/-5/Peak:02) Leona Lewis - I Will Be (23rd day/-1/Peak:02) Kelly Clarkson - My Life Would Suck Without You (23rd day/+1/Peak:02) Ciara featuring Justin Timberlake - Love Sex Magic (2nd day/+3/Peak:07) Alesha Dixon - Breathe Slow (4th day/-3/Peak:03) P!nk - Please Don't Leave Me (3rd day/+2/Peak:05) Enrique Iglesias featuring Ciara - Takin' Back My Love (10th day/+2/Peak:02) Lily Allen - Not Fair (2nd day/-1/Peak:02) The Pussycat Dolls - Jai Ho! (You Are My Destiny) (4th day/+2/Peak:02) Britney Spears - If U Seek Amy (23rd day/=/Peak:01[23])
15-Katy Perry - Thinking Of You <19 days/Peak:03>
14-Flo Rida feat. Kesha - Right Round <7 days/Peak:06>
13-Taylor Swift - White Horse <16 days/Peak:02>
12-Kat DeLuna - Unstoppable <7 days/Peak:02>
11-David Archuleta - A Little Too Not over You <2 days/Peak:10>
Leona Lewis - I Will Be (24th day/-1/Peak:02) Alesha Dixon - Breathe Slow (5th day/-3/Peak:03) Lady GaGa - LoveGame (1st day/DEBUT/Peak:08) Kelly Clarkson - My Life Would Suck Without You (24th day/+1/Peak:02) P!nk - Please Don't Leave Me (4th day/-1/Peak:05) Ciara featuring Justin Timberlake - Love Sex Magic (3rd day/+2/Peak:05) Lily Allen - Not Fair (3rd day/-1/Peak:02) Enrique Iglesias featuring Ciara - Takin' Back My Love (11th day/+1/Peak:02) The Pussycat Dolls - Jai Ho! (You Are My Destiny) (5th day/=/Peak:02) Britney Spears - If U Seek Amy (24th day/=/Peak:01[24])
Taylor Swift - White Horse (16th day/-5/Peak:02)
Leona Lewis - I Will Be (23rd day/-1/Peak:02)
Kelly Clarkson - My Life Would Suck Without You (23rd day/+1/Peak:02)
Ciara featuring Justin Timberlake - Love Sex Magic (2nd day/+3/Peak:07)
Alesha Dixon - Breathe Slow (4th day/-3/Peak:03)
P!nk - Please Don't Leave Me (3rd day/+2/Peak:05)
Enrique Iglesias featuring Ciara - Takin' Back My Love (10th day/+2/Peak:02)
Lily Allen - Not Fair (2nd day/-1/Peak:02)
The Pussycat Dolls - Jai Ho! (You Are My Destiny) (4th day/+2/Peak:02)
Britney Spears - If U Seek Amy (23rd day/=/Peak:01[23])
Britney!
Great countdown!
Lady GaGa - LoveGame (1st day/DEBUT/Peak:08)