Watch Katy Perry's Incredible Australian Performance

#WitnessKatyHitTheRoof

Watch Katy Perry's Incredible Australian Performance

The World Famous Rooftop Presents Katy Perry Live might just be Katy's most spectacular performance yet. 

With an incredible backdrop that featured the world famous Sydney Opera House and Sydney Harbour, you've never seen Katy quite like this.

Check out Katy's performance right here! 

Katy Perry's amazing new album Witness is out now. Get your copy.

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