15 fergie
14 mims
13 timabaland
12 jennifer lopez
11 ciara

10 good charlotte
09 hilary duff
08 nelly furtado
07 ne-yo
06 katherine mcphee
05 justin timberlake
04 my chemical romance
03 avril lavigne
02 christina aguilera
01 beyonce/shakira

fall off
none

15.Elliot Yamin - Wait For You
14.Ferge f/Ludacris - Glamarous
13.Jennifer Lopez - Que Hiciste
12.Lloyd - Get Shawty
11.Ciara - Like A Boy

10.Good Charlotte f/ M. Shadows - The River
09.Ne-Yo - Because Of You
08.Nelly Furtado - All Good Things (Come To An End)
07.Hilary Duff - With Love
06.Katharine McPhee - Over It
05.Justin Timberlake - What Goes Around...Comes Around
04.My Chemical Romance - Famous Last Words
03.Christina Aguilera - Candyman
02.Avril Lavigne - Girlfriend
01.Beyonce f/ Shakira - Beautiful Liar

15.Jennifer Lopez - Que Hiciste
14.The Red Jumpsuit Apparatus - Face Down
13.Relient K - Must Have Done Something Right
12.Ciara - Like A Boy
11.Good Charlotte -The River[off]

10.MIMS - This Is Why I'm Hot[DEBUT]
09.Nelly Furtado - All Good Things[+1]
08.Justin Timberlake - What Goes Around...[-2]
07.Hilary Duff - With Love[+2]
06.Ne-Yo - Because of You[+2]
05.Katharine McPhee - Over it[=]
04.My Chemical Romance - Famous Last Words[-1]
03.Beyonce f/ Shakira - Beautiful Liar[-1]
02.Christina Aguilera - Candyman[+2]
01.Avril Lavigne - Girlfriend[=]

On Deck:
15. Elliott Yamin
14. Timbaland
13. Lloyd
12. Jennifer Lopez
11. Ciara

Top Ten:
10. Hilary Duff
9. Nelly Furtado
8. Justin Timberlake
7. Ne-Yo
6. Good Charlotte
5. Katharine McPhee
4. My Chemical Romance
3. Christina Aguilera
2. Avril Lavigne
1. Beyonce & Shakira

On Deck
15. Timbaland- Give it to me
14. Jennifer Lopez- Que Histea
13. Ciara- Like a Boy
12. Fergie- Glamorous (have this return)
11. Hilary Duff- With Love

10. Elliot Yamin- Wait for You
9. Good Charlotte- The River
8. Nelly Furtado- All Good Things (Come to an end)
7. Justin Timberlake- WGAACBA
6.Ne-Yo- Because of You
5. Katherine Mcphee- Over It
4. My Chemical Romace- Famous Last Words
3. Avril Lavinge- Girlfriend
2. Christina Agulera- Candyman
1. Beyonce/Shakira- Beautiful Liar

OFF:
08.Ne-Yo - Because Of You (2nd Day/+2/Peak:08)

10.Hilary Duff - With Love
9. Timberland - Give It To Me
8.Nelly Furtado - All Good Things (Come To An End)
7.Katharine McPhee - Over It
6.Good Charlotte f/ M. Shadows - The River
5.Justin Timberlake - What Goes Around...Comes Around
4.My Chemical Romance - Famous Last Words
3.Avril Lavigne - Girlfriend
2.Christina Aguilera - Candyman
1.Beyonce f/ Shakira - Beautiful Liar

10. Like A Boy
09. Because Of You
08. All Good Things (Come To An End)
07. What Goes Around...Comes Around
06. With Love...
05. Famous Last Words
04. Over It
03. Candyman
02. Girlfriend
01. Beautiful Liar (feat. Shakira)