1 – Carrie Underwood
2 – Shania Twain
3 – Kylie Minogue
4 – Katy Perry
5 – Christina Aguilera
6 – Britney Spears
7 – Taylor Swift
8 – Joss Stone
9 – Pixie Lott
10 – Colbie Caillat
11 – Beyonce
12 – Shakira
13 – Ciara
14 – Gwen Stefani
15 – Avril Lavigne
16 – Alicia Keys
17 – Rihanna
18 – Vanessa Hudgens
19 – Demi Lovato
20 – Kelly Clarkson
21 – Mariah Carey
22 – Nelly Furtado
23 – Nicole Scherzinger
24 – Hilary Duff
25 – Miley Cyrus
25 – Ashley Tisdale
