Someone already said her.

#40 - Akon
#39 - Brandy
#38 - David Archuletta
#37 - Taylor Swift
#36 - Miley Cyrus
#35 - Rihanna
#34 - Britney Spears
#33 - Madonna
#32 - Chris Brown
#31 - Carrie Underwood
#30 - C Error [Ciara]
#29 - The Veronicas
#28 - Lady Gaga
#27 - Katy Perry
#26 - Leona Lewis
#25 - Beyonce
#24 - Nicole Flopsinger [Schwerzinger?]
#23 - David Cook
#22 - Christina Aguilera
#21 - Kanye West
#20 - Estelle
#19 - Julianne Hough
#18 - Mariah Carey
#17 - Lily Allen
#16 - Daughtry
#15 - Fergie
#14 - Demi Lovato
#13 - T.I.
#12 - Hilary Duff
#11 - Kelly Clarkson
#10 - Tokio Hotel
#9 - Kerli
#8 - Soulja Boy
#7 - Raven
#6 - Jessica Simpson
#5 - Lindsay Lohan
#4 - Jordin Sparks
#3 - Ashlee Simpson
#2 - Ashley Tisdale
#1 - Lil Wayne