![Katy Perry Launches 'Witness Tour' - See Set List & Photos!: Photo 3961231 | Katy Perry, Music Photos | Just Jared: Entertainment News Katy Perry Launches 'Witness Tour' - See Set List & Photos!: Photo 3961231 | Katy Perry, Music Photos | Just Jared: Entertainment News](https://cdn.justjared.com/wp-content/uploads/2017/09/perry-wittour2/katy-perry-launches-witness-tour-08.jpg)
Katy Perry Launches 'Witness Tour' - See Set List & Photos!: Photo 3961231 | Katy Perry, Music Photos | Just Jared: Entertainment News
![Katy Perry Launches 'Witness Tour' - See Set List & Photos!: Photo 3961228 | Katy Perry, Music Photos | Just Jared: Entertainment News Katy Perry Launches 'Witness Tour' - See Set List & Photos!: Photo 3961228 | Katy Perry, Music Photos | Just Jared: Entertainment News](https://cdn.justjared.com/wp-content/uploads/2017/09/perry-wittour2/katy-perry-launches-witness-tour-02.jpg)
Katy Perry Launches 'Witness Tour' - See Set List & Photos!: Photo 3961228 | Katy Perry, Music Photos | Just Jared: Entertainment News
![Stream Katy Perry - Witness [Witness: The Tour Instrumental with Backing Vocals] by LuxiousKorsayII | Listen online for free on SoundCloud Stream Katy Perry - Witness [Witness: The Tour Instrumental with Backing Vocals] by LuxiousKorsayII | Listen online for free on SoundCloud](https://i1.sndcdn.com/artworks-000512388495-lmju9d-t500x500.jpg)
Stream Katy Perry - Witness [Witness: The Tour Instrumental with Backing Vocals] by LuxiousKorsayII | Listen online for free on SoundCloud
![Katy Perry Launches 'Witness Tour' - See Set List & Photos!: Photo 3961228 | Katy Perry, Music Photos | Just Jared: Entertainment News Katy Perry Launches 'Witness Tour' - See Set List & Photos!: Photo 3961228 | Katy Perry, Music Photos | Just Jared: Entertainment News](https://cdn.justjared.com/wp-content/uploads/2017/09/perry-wittour2/katy-perry-launches-witness-tour-04.jpg)