The initial reactions were lukewarm and the boost negligible, but then the day after the media were all over it, either praising it or criticizing the sexual content, and that's when it really started going up.
Rihanna is gonna fade sooner than all you think and I'm so sure at this point.
Rihanna has good hitmakers by her side, her team seem very consistent so i think she can stay longer than most people think , the same goes to Katy., as long as they follow the direction of the labels.
Lol it's impressive that rih didnt need massive campaigns amd payola to have mega-smash singles. How many #1s that stayed atop for at least 6 weeks does Kum Perry have ?