EXAMPLE
1.Kerli
2.Lady Gaga
3.Katy Perry
4.Coheed & Cambria
5.????
6.????
7.????
8.????

and so on

1. katy perry
2. jason mraz
3. britney spears
4. David A.
5. T.I
6. onerepublic
7. Coldplay
8. Kanye west
9. Estelle
10. Chris Brown

1. Britney Spears
2. Mariah Carey
3. Katy Perry
4. Lady Gaga
5. Jesse McCartney
6. Leona Lewis
7. Taylor Swift
8. The Pussycat Dolls
9. David Archuleta
10. Jason Mraz

1. Leona Lewis
2. Lady Gaga
3. T.I
4. Neyo
5. Carrie Underwood
6. Beyoncé
7.Britney Spears
8. David Archuleta
9. Coldplay
10. P!nk

1.Jesse
2.Britney
3.Christina
4.David A.
5.P!nk
6.Coldplay
7.Leona Lewis
8.Mariah Carey
9.Lady Gaga
10.The Ting Tings

1.Danity Kane
2.Kerli
3.Lady Gaga
4.David Archuleta
5.Britney Spears
6.Michelle Williams
7.Leona Lewis
8.P!nk
9.Katy Perry
10.Madonna

1. Leona Lewis
2. Duffy
3. Girls Aloud
4. Christina Aguilera
5. Chris Brown
6. Mariah Carey
7. T.I
8. Usher
9. Alphabeat
10. Britney Spears

1. Hilary Duff
2. Mariah Carey
3. Pussycat Dolls
4. David Cook
5. Metro Station
6. Carrie Underwood
7. Britney Spears
8. Jessica Simpson
9. Vanessa Hudgens
10. Katy Perry

1-Britney Spears
2-Katy Perry
3-Amy Winehouse
4-The Pussycat Dolls
5-Beyoncé
6-Mariah Carey
7-Rihanna
8-Madonna
9-Leona Lewis
10-Danity Kane

1 Westlife
2 Coldplay
3 Rihanna
4 Leona Lewis
5 Britney Spears
6 Chris Brown
7 Katy Perry
8 Lady GaGa
9 The Ting Tings
10 Taylor Swift

1.Mariah Carey
2. Natasha Bedingfield
3. Kelly Rowland
4. Kat DeLuna
5. Beyoncé
6. Janet
7. Kylie Minogue
8. Danity Kane
9. Pussycat Dolls
10. Michelle Williams (Paula and MS have no chances)

1. The Ting Tings
2. Simple Plan
3. Panic! At The Disco
4. Fall Out Boy
5. Kylie Minogue
6. Jonas Brothers
7. Timbaland
8. Katy Perry
9. Madonna
10. OneRepublic

1. Hilary Duff
2. Lady Gaga
3. Beyoncé
4. Girls Aloud
5. Taylor Swift
6. Mariah Carey
7. Belanova
8. Natasha Bedingfield
9. Paramore
10. Alizée

1.Britney Spears
2.Mariah Carey
3.Madonna
4.Linkin Park
5.Slipknot
6.Paramore
7.Lady Gaga
8.Katy Perry
9.Timbaland
10.Pussycat Dolls

I don't like many of the artists of my list, but i will be honest.

1)Britney Spears
2)Madonna
3)Katy Perry
4)Jonas Brothers (i dont liker the jonas brothers)
5)Rihanna
6)Miley Cyrus (i don´t liker her)
7)Beyonce
8)Christina Aguilera
9)Hilary Duff
10)Taylor Swift

1. Cassie
2. Prima J
3. Brandy
4. Michelle Williams
5. The Pussycat Dolls
6. Cherish
7. Danity Kane
8. Mariah Carey
9. Jon McLaughlin
10. Britney Spears

CLOSE: Beyoncé, Ashanti, Keri Hilson, Karina Pasian, Lady GaGa, Katy Perry, Colby O'Donis, Jazmine Sullivan

It was hard to not include Rihanna, lol.

01) The Killers
02) Duffy
03) Kings of Leon
04) Britney Spears
05) Interpol
06) 30 Seconds to Mars
07) Hilary Duff
08) Simple Plan
09) Amy Winehouse
10) The Ting Tings

1. Leona Lewis
2. Mariah Carey
3. Britney Spears
4. Beyonce
5. T.I.
6. Kanye West
7. The Pussycat Dolls
8. Lil Wayne
9. Christina Aguilera
10. Madonna

1. Britney Spears
2. Katy Perry
3. Lady Gaga
4. Mariah Carey
5. Lil Wayne
6. Mgmt
7. Chris Brown
8. Jordin Sparks
9. Christina Aguilera
10. Kanye West