Of Katy, Gaga and Rihanna, the lead gorls of their generation (Rihanna was a nobody pre 07), Rihanna will last the longest easily, Katy will eventually burn out once people get bored of her increasingly cheesy and vanilla songs and Lady Gaga will deliver a We Belong Together sized hit in like 3 years and then fade to dust as a reminder of our past much like Britney
