Katy Perry Gonna Knock You Out With Her VMA Brass Knuckles

Check out the blingy ROAR microphone she'll use at Sunday night's show.

Roar if you’re ready for the VMAs!

Katy Perry is on her way to the 2013 Video Music Awards, ready to close Sunday night’s show after performers like Lady Gaga, Miley Cyrus and Robin Thicke have graced the stage. And of course, she has to do it in style.

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