Lady Gaga called Britney Spears "bitch"

If only a few years ago the competition was between Britney Spears and Christina Aguilera, Lady Gaga now clearly leads the way ... But not content with that Forbes has chosen as the most influential person in the world, nor Billboard confirmed as a super selling albums. She wants more ... And so it was made ​​it known to everyone.

Especially Britney Spears ...

"Just in case anyone wondered if I have done playback for my shows: the answer is no. I never do, never have and never will. And while you spend your money to buy a ticket to see my show, I will not to waste their time watching a dog doing playback for an HBO special, "he said the singer of The Edge of Glory.

Was that with Britney Spears? ... Who else?!

And is that Britney Spears started her tour Femme Fatale a few days ago and the reviews have been excellent, especially after he promised to sing live and would not playback.

Of course the comparisons have not been waiting, and most journalists agree that the Femme Fatale tour has a much better production than the show Lady Gaga, Gaga while proponents counter that Britney needs all these effects to disguise no longer dances as before.

If the fight is between Britney Spears and Lady Gaga, where are Katy Perry, Rihanna, Jennifer Lopez and Beyoncé?