Katy Perry was a tigress on the U.K. edition of ' X Factor,' performing on the show dressed like one.

The singer was surrounded by faceless dancers who were playing the part of rat racers, donning suits and carrying briefcases while their faces were obscured by white fabric. It was creepy cool.

Perry, also wearing an orange striped dress, resembling a tiger's coat, and a headband with ears, was back to her old tricks when it came to stage costumes. She remained largely static, standing while grooving in the center of the stage, surrounded by her dancing crew.

It ended with sparks and colors. She was tigress and we heard her roar. Hey, whatever big cat works, right?

Also, for giggles, see Katy Perry's latest Killer Queen ad. Trick or Treat!

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