L

1. Adam Lambert (3)
2. La Roux (0)
3. Nick Lachey (0)
4. Lady GaGa (29)
5. Annie Lennox (0)
6. Avril Lavigne (9)
7. Blake Lewis (1)
8. Leona Lewis (1)
9. Lifehouse (1)
10. Linkin Park (3)
11. Lindsay Lohan (3)
12. Jennifer Lopez (4)
13. Los Lonely Boys (0)
14. Pixie Lott (0)

Demi Lovato
Demi Lovato earned success as a teenager both as an actress and singer in the Disney TV and radio world. As a young adult she broke through to the top of the pop radio chart.

Profile: LMFAO
LMFAO are a dance-pop duo made up of a son and grandson of Motown founder Berry Gordy, Jr. They hit #1 around the world with their single "Party Rock Anthem."

Jennifer Lopez - "I'm Into You" featuring Lil Wayne
"I'm Into You" by Jennifer Lopez is the follow up single to the hit single "On the Floor." It features rapper Lil Wayne.

Kris Allen
Kris Allen is a finalist in the eighth season of American Idol. He has been a bit of dark horse contestant without a flamboyant performing style. His primary background is in contemporary Christian music.