E! Online — Lady Gaga better enjoy whatever applause she can get, because Katy Perry won at the Billboard charts this week. Katy pushed 525,000 copies of her single, "Roar," while Gaga shilled... more info

L.A. Times - Pop & Hiss — Close your eyes. Erase your mind. Forget about Taylor Swift, Katy Perry and the various extracurricular activities that have hobbled singer-guitarist-romantic John Mayer’s reputation off the playing field. Breathe, and think about the guitar while ... more info

411 Mania — "Blurred Lines" edges out "Roar"... more info

Impose Magazine — Born Gold may be an indiepop outfit, but with his latest track "Abdomen", we see no reason why this exuberant, over-the-top, and masterfully produced track couldn't be heard on your major-label streaming pop music radio station. "Abdomen" is buil... more info

411 Mania — Lady Gaga settles for #3... more info

L.A. Times - Pop & Hiss — The lead single from the pop vixen's upcoming album scored the biggest digital sales week of any song this year.Katy Perry’s “Roar,” is living up to its ferocious title. more info

Starpulse — Katy Perry has been confirmed as the closing act at this year's MTV Video Music Awards. The singer won't actually be at the Barclays Center in Brooklyn, New York, where this year's ceremony will t... more info

USA Today Music — Opening sales of Perry's 'Roar' more than double Lady Gaga's 'Applause' more info

Topix — Pop queen Katy Perry will close the MTV Video Music Awards with a live performance of new hit 'Roar' from an undisclosed location in Brooklyn. more info

Chorus.fm — You can check out a video of *Crystalyne* (https://www.facebook.com/crystalynemusic) covering Katy Perry's "Roar" in the replies, alongside the band's upcoming shows in southern Ontario. more info