article: Witness: The Tour
links: The Vancouver Sun Toronto Seoul Boston Vancouver Amalie Arena PPG Paints Arena Saitama, Saitama Zürich Curitiba San Jose, California Atlanta KeyBank Center American Airlines Center Chicago Santa Barbara, California Grand Rapids, Michigan Indianapolis Capital One Arena Hailee Steinfeld Johannesburg Kansas City, Missouri Rio de Janeiro 2017 Las Vegas shooting Play (concert residency) Bologna Buenos Aires AT&T Center United States South Africa St. Louis Scotland Monterrey Switzerland Washington, D.C. Prismatic World Tour NME Berlin Barclays Center Austria Columbus, Ohio Little Caesars Arena MSN Brisbane Witness Porto Alegre Stockholm T-Mobile Arena Thailand Manchester Evening News Bell Centre United Arab Emirates Salt Lake City United Center Newcastle upon Tyne England Manchester Arena bombing I Kissed a Girl Argentina France TD Garden Bangkok Orlando, Florida London Denmark Swish Swish South Korea Detroit Abu Dhabi Tampa, Florida Lima What Have You Done for Me Lately Peru Australia Chained to the Rhythm Toyota Center Xcel Energy Center North Little Rock, Arkansas San Antonio Amsterdam California Gurls Cleveland State Farm Arena Barcelona Auckland Cologne New Orleans Netherlands Adelaide New Zealand Los Angeles Sheffield Firework (song) Antwerp Manchester Sweden Joan Osborne Rogers Arena Germany Amway Center Liverpool Philadelphia Dallas Perth, Western Australia Buffalo, New York Part of Me (Katy Perry song) E.T. (song) Noah Cyrus Scotiabank Arena Louisville, Kentucky Teenage Dream (Katy Perry song) Wells Fargo Center (Philadelphia) Saint Paul, Minnesota Guadalajara Madison Square Garden Manila Philippines Japan Miami Birmingham Newark, New Jersey Milwaukee Santiago Taipei Canada Van Andel Arena Smoothie King Center Prudential Center Pittsburgh Indonesia Bridgestone Arena Witness (Katy Perry album) Lisbon Ball Arena Taiwan Mexico Brooklyn Vivint Arena Mexico City Roar (song) Rocket Mortgage FieldHouse Portugal Gainbridge Fieldhouse Katy Perry Gila River Arena Last Friday Night (T.G.I.F.) Portland, Oregon Tulsa, Oklahoma Crypto.com Arena Spain Nashville, Tennessee Paradise, Nevada Moda Center Paris Unconditionally Belgium Singapore Hong Kong Bon Appétit (song) Glendale, Arizona Chile Glasgow Sydney Brazil Manchester Arena Omaha, Nebraska Bebe Rexha Golden 1 Center São Paulo Charlotte, North Carolina Des Moines, Iowa Enterprise Center Denver Quebec City Melbourne Billboard (magazine) Vienna Sacramento, California The O2 Arena Zedd Copenhagen Italy Montreal FTX Arena Houston Carly Rae Jepsen SAP Center Marielle Franco New York City Tacoma, Washington Rolling Stone