15 Makes Me Wonder
14 LDN
13 Big Girls Don't Cry
12 Impacto (Remix)
11 Home

10 Dance Floor Anthem (DEBUT)
09 Never Again
08 Thnks Fr Th Mmrs
07 Lip Gloss
06 Stranger
05 Do You Know (The Ping Pong Song)
04 Before He Cheats
03 Rehab
02 Teenagers
01 Umbrella

15. Linkin Park - What I've Done
14. Daddy Yankee - Impacto
13. Green Day - Working Class Hero
12. Good Charlotte - Dance Floor Anthem
11. Daughtry - Home [FALLOFF]

10. Lily Allen - LDN [DEBUT]
09. Kelly Clarkson - Never Again
08. Enrique Iglesias - Do You Know
07. Carrie Underwood - Before He Cheats
06. Fall Out Boy - Thnks Fr Th Mmrs
05. Hilary Duff - Stranger
04. Lil Mama - Lip Gloss
03. Amy Winehouse - Rehab
02. My Chemical Romance - Teenagers
01. Rihanna - Umbrella

15-maroon 5
14-lily allen
13-green day
12-daddy yankee
11-daughtry (OFF)

10-fergie (RETURN)
9-kelly clarkson
8-fall out boy
7-enrique iglesias
6-hilary duff
5-lil mama
4-carrie underwood
3-amy winehouse
2-MCR
1-rihanna

1. Rihanna
2. MCR
3. Amy
4. Carrie
5. Fallout Boy
6. Hilary
7. Lil mama
8. Enrique
9. Kelly Clarkson
10. Daughtry

On Deck:
15)Shop boys- Party like a rock star
14)Maroon 5- Makes me wonder
13)Fergie- Big girls don't cry
12)Daddy Yankee- Impacto
11)Daughtry- Home

Top 10:
10)Lily Allen- LDN [debut]
9)Kelly Clarkson- Never again [+1]
8)FOB- Thnks fr th mmrs [-1]
7)Enrique Igleasis- Do you know [-1]
6)Hilary Duff- Stranger [+2]
5)MCR- Teenagers [-2]
4)Carrie Underwood- Before he cheats [+1]
3)Lil Mama- Lip gloss [+1]
2)Rihanna- Umbrella [-1]
1)Amy Winehouse- Rehab [+1]

15 good charlotte
14 linkin park
13 maroon 5
12 daddy yankee
11 fergie

10 daughtry
09 kelly clarkson
08 fall out boy
07 lil mama
06 hilary duff
05 enrique iglesias
04 carrie underwood
03 amy winehouse
02 my chemical romance
01 rihanna

fall off
none

10. Daughtry - Home
9. Kelly Clarkson - Never Again
8. Lil Mama - Lipgloss
7. Fall Out Boy - Thnks Fr Th Mmrs
6. Hilary Duff - Stranger
5. Enrique Iglesias - Do You Know?
4. Amy Winehouse - Rehab
3. Carrie Underwood - Before He Cheats
2. MCR - Teenagers
1. Rihanna - Umbrella

10. LDN
9. never again
8. thnks fr the mmrs
7. stranger
6. lip gloss
5. do you know
4. before he cheats
3. teenagers
2. rehab
1. umbrella

15. Good Charlotte
14. Lily Allen
13. Fergie
12. Linkin Park
11. Daddy Yankee

10. Daughtry
09. Kelly Clarkson
08. Fall Out Boy
07. Enrique Iglesias
06. Hilary Duff
05. Lil Mama
04. My Chemical Romanche
03. Carrie Underwood
02. Amy Winehouse
01. Rihanna

15. Lily Allen
14. Fergie
13. Maroon 5
12. Daddy Yankee
11. Daughtry

10. Green Day
09. Kelly Clarkson
08. Fall Out Boy
07. Lil' Mama
06. Hilary Duff
05. Enrique Iglesias
04. Carrie Underwood
03. Amy Winehouse
02. My Chemical Romance
01. Rihanna

15. daddy yankee
14. good charlotte
13. lily allen
12. daughtry
11. green day

10. fergie
9. fall out boy
8. kelly clarkson
7. hilary duff
6. enrique iglesias
5. lil mama
4. carrie underwood
3. amy winehouse
2. mcr
1. rihanna

10. Fergie - Big Girls Don't Cry
9. Kelly Clarkson - Never Again
8. Enrique Iglesias - Do You Know (The Ping Pong Song)
7. Fall Out Boy - Thnks Fr Th Mmrs
6. Lil' Mama - Lipgloss/ No Music
5. My Chemical Romance - Teenagers
4. Hilary Duff - Stranger
3. Carrie Underwood - Before He Cheats
2. Amy Winehouse - Rehab
1. Rihanna f. Jay-Z - Umbrella

On Deck:

15. Fergie - Big Girls Don't Cry
14. Maroon 5 - Makes Me Wonder
13. Good Charlotte - Dance Floor Anthem
12. Daddy Yankee f/ Fergie - Impacto
11. Daughtry - Home [FALLOFF]

The Countdown:

10. Lily Allen - LDN [DEBUT]
9. Enrique Iglesias - Do You Know (The Ping Pong Song) [-3]
8. Kelly Clarkson - Never Again [+2]
7. Hilary Duff - Stranger [+1]
6. Lil' Mama - Lip Gloss [-2]
5. Fall Out Boy - Thnks Fr Th Mmrs [+2]
4. Carrie Underwood - Before He Cheats [+1]
3. Amy Winehouse - Rehab [-1]
2. My Chemical Romance - Teenagers [+1]
1. Rihanna f/ Jay-Z - Umbrella [=]

15.Lily Allen - LDN
14.Boys Like Girls - The Great Escape
13.Daddy Yankee f/ Fergie - Impacto(Remix)
12.Fergie - Big Girls Don't Cry
11.Kelly Clarkson - Never Again

10.Beyonce - Get Me Bodied[Debut]
09.Daughtry - Home[=]
08.Fall Out Boy - Thnks Fr Th Mmrs[-1]
07.Carrie Underwood - Before He Cheats[-2]
06.Hilary Duff - Stranger[+2]
05.Enrique Iglesias - Do You Know(The Ping-Pong Song)[+1]
04.My Chemical Romance - Teenagers[-1]
03.Lil' Mama - Lip Gloss[+1]
02.Amy Winehouse - Rehab[=]
01.Rihanna f/ Jay-Z - Umbrella[=]
OFF:
Kelly Clarkson - Never Again @#10

On Deck:
15.Good Charlotte-"Dance Floor Anthem"
14.Fergie-"Big Girls Don't Cry"
13.Linkin Park-"What I've Done"
12.Green Day-"Working Class Hero"
11.Daughtry-"Home" (FALL OFF)

Top 10 Countdown:
10.Daddy Yankee/Fergie-"Impacto" [RETURN]
09.Fall Out Boy-"Thnks Fr Th Mmrs"
08.Kelly Clarkson-"Never Again"
07.Carrie Underwood-"Before He Cheats"
06.Hilary Duff-"Stranger"
05.Lil Mama-"Lip Gloss"
04.Enrique Iglasias-"Do You Know"
03.Amy Winehouse-"Rehab"
02.My Chemical Romance-"Teenagers"
01.Rihanna/Jayz-"Umbrella"

15. Dance Floor Anthem
14. What Ive Done
13. Makes Me Wonder
12. Big Girls Dont Cry
11. Home

10. Impacto
9. Never Agian
8. Thnks Fr Th Mmrs
7. Do You Know
6. Stranger
5. Lip GLoss
4. Before He Cheats
3. Rehab
2. Teenagers
1. Umbrella

On Deck
15. Gwen Stefani, "4 In The Morning"
14. Fergie, "Big Girls Don't Cry"
13. Maroon 5, "Makes Me Wonder"
12. Daddy Yankee ft. Fergie, "Impacto (Remix)"
11. Lily Allen, "LDN"

Top Ten
10. Hilary Duff, "Stranger"
09. Kelly Clarkson, "Never Again"
08. Lil' Mama, "Lip Gloss (No Music)"
07. Daughtry, "Home"
06. Fall Out Boy, "Thnks Fr Th Mmrs"
05. Enrique Iglesias, "Do You Know (The Ping Pong Song)"
04. Carrie Underwood, "Before He Cheats"
03. Amy Winehouse, "Rehab"
02. My Chemical Romance, "Teenagers"
01. Rihanna ft. Jay-Z, "Umbrella"

On Deck
15. Gwen Stefani, "4 In The Morning"
14. Fergie, "Big Girls Don't Cry"
13. Maroon 5, "Makes Me Wonder"
12. Daddy Yankee ft. Fergie, "Impacto (Remix)"
11. Lily Allen, "LDN"

Top Ten
10. Hilary Duff, "Stranger"
09. Kelly Clarkson, "Never Again"
08. Lil' Mama, "Lip Gloss (No Music)"
07. Daughtry, "Home"
06. Fall Out Boy, "Thnks Fr Th Mmrs"
05. Enrique Iglesias, "Do You Know (The Ping Pong Song)"
04. Carrie Underwood, "Before He Cheats"
03. Amy Winehouse, "Rehab"
02. My Chemical Romance, "Teenagers"
01. Rihanna ft. Jay-Z, "Umbrella"

On-Deck:
15. Linkin Park- What I've Done
14. Fergie- Big Girls Don't Cry
13. Good Charlotte- Dance Floor Anthem
12. Maroon 5- Makes Me Wonder
11. Daddy Yankee f/ Fergie- Impacto

Top 10:
10. Chris Daughtry- Home
9. Kelly Clarkson- Never Again
8. FOB- Thnks Fr Th Mmrs
7. Hilary Duff- Stranger
6. Enrique Iglesias- Do You Know
5. Lil' Mama- Lip Gloss
4. Carrie Underwood- Before He Cheats
3. Amy Winehouse- Rehab
2. My Chemical Romance- Teenagers
1. Rihanna f/Jay Z- Umbrella

Out:
10.Kelly Clarkson - Never Again (24thDay/-2/Peak:01[4])

10.Fergie -Big Girls Dont Cry (RETURN)
9.Hilary Duff - Stranger (3rd Day/-1/Peak:08)
8.Daughtry - Home (29th Day/+1/Peak:01[1])
7.Lil' Mama - Lip Gloss (10th Day/-3/Peak:03)
6.Fall Out Boy - Thnks Fr Th Mmrs (35th Day/+1/Peak:01[5])
5.Enrique Iglesias - Do You Know (The Ping Pong Song) (15th Day/+1/Peak:02)
4.Carrie Underwood - Before He Cheats (5th Day/+1/Peak:04)
3.Amy Winehouse - Rehab (9th Day/-1/Peak:01[2])
2.My Chemical Romance - Teenagers (8th Day/+1/Peak:02)
1.Rihanna f/ Jay Z - Umbrella (26th Day/=/Peak:01[14]) 13%