#VIDEO | @katyperry performing I Kissed A Girl #WITNESSTHETOUR pic.twitter.com/3OQ8tU56s4

— Katyspics Media (@katyspicscom) September 20, 2017

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#katyperry #witnessthetour #katyperrymontreal #wwtmontreal

A post shared by Johnny Barbosa (@johnny_._b) on Sep 19, 2017 at 5:08pm PDT

#Roulette performed by @katyperry in Montreal #WitnessTheTour 👁 🎲 pic.twitter.com/Qhqpjoi52p

— SHANNON (CAW-FEE) ☕️ (@ShannonFlynn2) September 20, 2017

https://www.instagram.com/p/BZP7XktnHGS/?tagged=katyperrymontreal

#VIDEO | @katyperry and a little fan on stage #WITNESSTHETOUR pic.twitter.com/71FOTyvr6K

— Katyspics Media (@katyspicscom) September 20, 2017

SCALETTA

Witness
Roulette
Dark Horse
Chained to the Rhythm (with Hot Chip Remix outro)

Act II
Act My Age (Video Interlude)
Teenage Dream
Hot N Cold
Last Friday Night
California Gurls
I Kissed a Girl

Act III
“Celestial Body” (Video Interlude)
Déjà Vu
Tsunami
E.T.
Bon Appétit

Act IV
Mind Maze (Video Interlude)
Thinking of You
Save As Draft (performed on “Drop Zone” stage)
Power

Act V
“Motorcyclist” (Video Interlude)
Hey Hey Hey
Part of Me
Swish Swish
Roar

Encore:
Firework