Both Katy Perry and Lady GaGa are coming off two very successful Sophomore albums, and in a battle of Pop Queens like Madonna vs. Cyndi and Britney vs. Christina , people are looking at them to see who will come out on top.
Katy Perry already topped GaGa with the first single battle, but as of this point, who is delivering more and taking more risk? Who do you see overall is packing more punches.
