Katy Perry Vs. GaGa: Billboard Edition

Looks like Katy Perry is dominating those Billboard charts…but Lady GaGa could be some competition for her!
Perry's Teenage Dream has joined an elite group and become the THIRD album to feature four #1 hits with E.T.! Very impressive!
E.T. has also become Katy's sixth Pop Songs No. 1 overall. Congrats, Katy!
As far as GaGa is concerned, [...]

Source: http://perezhilton.com/2011-04-18-katy-perry-and-lady-gaga-will-compete-against-each-other-in-billboard-charts-this-week

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