In reply to Datredd23.

Being older usually works against a popstar and the odds are more in your favor when you start your pop career at 16. Katy has made half he amount of albums as Rihanna, 4, but has more than half the amount of number 1's, 9. A basic math problem will tell you that Katy SLAYS Rihanna when it comes to singles, even more so given the fact that Rihanna does more features than any other popstar.