Katy Perry reacts to music videos with friends.

For more of my stream watch now LIVE on YouTube:    • Katy Perry - Live: Witness World Wide  
Subscribe on YouTube:    / katyperry  

Katy Perry is going on tour and she's bringing her boldest stage EVER. A treat for every seat, this is your chance to WITNESS the Tour: https://www.katyperry.com/tour

You wanna Witness this #KPWWW

Get 'Witness' by Katy Perry: http://katy.to/WitnessWL

Follow Katy Perry:
http://www.katyperry.com
  / katyperry  
  / katyperry