Rihanna, Britney at least has her title of Princess of Pop and the boom she has at her prime. While Rihanna is seen as she has not good vocals, and she doesn't dance very well.
Ke$Ha, Rih, Britney aren't taken too seriously by the GP. Rihanna's doing better recently though with her performances of Stay and Diamonds, some actually see her as a serious vocalist now.
Rihanna, Britney at least has her title of Princess of Pop and the boom she has at her prime. While Rihanna is seen as she has not good vocals, and she doesn't dance very well.
