Respectable set of pipes? Possibly.

But again what Rihanna, Katy Perry and similars like Madonna and Kesha can do vocally anyone can do.

Because screeching and yelling isn't respectable singing. They are simply adding a vibrato to their talking voices and elevating their volume.

Very few can do what Christina Aguilera, Bey, and Gaga can do vocally.

But props to KP didn't think she could pull this off after all her disastrous performances for "Firework."