Duffy
Ashlee Simpson
Dev Iggy Azalea Sara Bareilles
Shontelle
Missy Elliott
Paulina Rubio
Ashley Tisdale
JoJo
Cassadee Pope Sia
Estelle
Vanessa Hudgens
Eve
Fantasia
Paris Hilton Hayley Williams
Tulisa
Lil Mama
Christina Perri
Dido
Lindsay Lohan
Alexandra Burke Marina And the Diamonds
Kelis Florence Welch
Lil Kim
Wynter Gordon Skylar Grey
Ashanti Azealia Banks
Thalia
Emeli Sande
Jennifer Hudson
Jessica Simpson
1) Iggy Azalea
2) Sara Bareilles
3) Missy Elliott
4) JoJo
5) Cassadee Pope
6) Sia
7) Hayley Williams
8) Marina And the Diamonds
9) Skylar Grey
10) Azealia Banks