Lady Gaga: "The most popular female singer 2011"

The website "Tiptoptens.com" did a top 10 female singers, most popular of 2011, Gaga is ranked #1

Here the list:

1. Lady Gaga 
2. Adele
3. Katy Perry
4. Rihanna
5. Britney Spears
6. Taylor Swift
7. Kesha
8. Shakira
9. Beyonce
10. Nicki Minaj