Gaga or Bieber. The other two don't stand a chance.

Actually Taylor has a chance. Her last tour grossed more than any female' in 2011. And her album sales are really impressive. Anyways, GaGa will obviously will be the first to do it. Taylor may in the future. but we'll see... Justin Bieber.. I don't think so.. He clearly is losing his popularity.

I'm going with Lady Gaga, but Taylor Swift and Justin Bieber stand a chance aswell.

Bieber

Gaga, and maybe rihanna

I think Taylor Swift!

Not if she looks like she usually does

I don't know why yall trying to clock Taylor, especially since she has gotten close.