We've all witnessed some of the crazy outfits Katy Perry wears to her concerts, on the red carpet, and day-to-day! From the shocking to the jaw-dropping, Katy Perry's on-stage style is perfect for this time of year: Halloween. We can't get enough of Perry's unique concert costumes and thought what better person to get some Halloween inspiration from than Katy.

More From StyleList:

A Night Out on The Town or Scandalous Costume?

Essential Flare for Halloween - Shop This List!

Meet The World's Most Incredible Halloween Makeup Maven

Would You Wear One Of These Infamous Celebrity Halloween Costumes?

How To Dress Like Kimye or Karl Lagerfeld This Halloween

Photo Credit: Getty Images