Katy Perry postpones 'Witness' Tour launch

Katy Perry's WITNESS: The Tour will launch nearly two weeks late due to production delays. The tour, which was originally scheduled to begin Sept. 7 in Columbus, Ohio, will now kick off on September 19 at Montreal's Bell Centre "to accommodate the complexity of the scope and enormous scale of this tour," according to a press release. The rescheduled dates are listed below

"Due to unavoidable production delays, major elements of my tour stage design could not be available for me to rehearse on until this week," said Katy Perry. "I'll be spending the next few weeks taking the time to properly prepare the show to be an experience I am proud to share with you. I'm sorry for any inconvenience this causes, but hope everyone who sees the show will agree it was worth the wait. My first show on WITNESS: The Tour will be in Montreal on September 19." The North American arena tour is produced by AEG Presents.

Katy Perry has also revealed the tour's opening acts. Noah Cyrus will join WITNESS: The Tour on September 19 – November 1, followed by Purity Ring on November 7 – December 20 and Carly Rae Jepsen on January 5 – February 5.

All tickets purchased for the original concert dates will be honored for the new date, refunds available at point of purchase.

Perry will host MTV's Video Music Awards on Aug. 27.

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Katy Perry out and about
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Katy Perry out and about
SANTA MONICA, CA - APRIL 06: Katy Perry attends Caroline De Maigret and Pharrell Williams dinner in celebration of CHANEL's Gabrielle Bag at Giorgio Baldi on April 6, 2017 in Santa Monica, California. (Photo by Donato Sardella/Getty Images for CHANEL)
LOS ANGELES, CA - MARCH 25: Katy Perry celebrates Elton John's 70th Birthday and 50-Year Songwriting Partnership with Bernie Taupin benefiting the Elton John AIDS Foundation and the UCLA Hammer Museum at RED Studios Hollywood on March 25, 2017 in Los Angeles, California. (Photo by Michael Kovac/Getty Images)
LOS ANGELES, CA - MARCH 18: Katy Perry attends the Human Rights Campaign's 2017 on March 18, 2017 in Los Angeles, California. (Photo by JB Lacroix/WireImage)
LOS ANGELES, CA - MARCH 18: Katy Perry attends the Human Rights Campaign's 2017 Los Angeles Gala Dinner at JW Marriott Los Angeles at L.A. LIVE on March 18, 2017 in Los Angeles, California. (Photo by Todd Williamson/Getty Images)
INGLEWOOD, CA - MARCH 05: Katy Perry attends the 2017 iHeartRadio Music Awards at The Forum on March 5, 2017 in Inglewood, California. (Photo by C Flanigan/Getty Images)
INGLEWOOD, CA - MARCH 05: Katy Perry attends the 2017 iHeartRadio Music Awards at The Forum on March 5, 2017 in Inglewood, California. (Photo by JB Lacroix/WireImage)
INGLEWOOD, CA - MARCH 05: Singer Katy Perry performs onstage at the 2017 iHeartRadio Music Awards which broadcast live on Turner's TBS, TNT, and truTV at The Forum on March 5, 2017 in Inglewood, California. (Photo by Jeff Kravitz/FilmMagic)
INGLEWOOD, CA - MARCH 05: Musician Katy Perry performs onstage at the 2017 iHeartRadio Music Awards which broadcast live on Turner's TBS, TNT, and truTV at The Forum on March 5, 2017 in Inglewood, California. (Photo by Christopher Polk/Getty Images for iHeartMedia)
BEVERLY HILLS, CALIFORNIA - FEBRUARY 26: Katy Perry (R) and Derek Blasberg (L) pose as they arrive at the Vanity Fair Oscar Party in Beverly Hills, California, Los Angeles on February 26, 2017. (Photo by Philip Rock/Anadolu Agency/Getty Images)
BEVERLY HILLS, CA - FEBRUARY 26: Singer Katy Perry arrives at the 2017 Vanity Fair Oscar Party Hosted By Graydon Carter at Wallis Annenberg Center for the Performing Arts on February 26, 2017 in Beverly Hills, California. (Photo by Axelle/Bauer-Griffin/FilmMagic)
LONDON, UNITED KINGDOM - FEBRUARY 22: Katy Perry attends the Universal Music BRIT Awards After-Party 2017 hosted by Soho House and BACARDI Rum at 180 The Strand, on February 23, 2017 in London, England. PHOTOGRAPH BY Jules Annan / Barcroft Images London-T:+44 207 033 1031 E:hello@barcroftmedia.com - New York-T:+1 212 796 2458 E:hello@barcroftusa.com - New Delhi-T:+91 11 4053 2429 E:hello@barcroftindia.com www.barcroftimages.com (Photo credit should read Jules Annan / Barcroft Images / Barcroft Media via Getty Images)
LONDON, ENGLAND - FEBRUARY 22: Ellie Goulding and Katy Perry attend (R) the Universal Music BRIT Awards After-Party 2017 hosted by Soho House and BACARD�at 180 The Strand on February 22, 2017 in London, England. (Photo by David M. Benett/Dave Benett/ Getty Images for Universal, Soho House & Bacardi Rum )
LONDON, ENGLAND - FEBRUARY 22: EDITORIAL USE ONLY. Katy Perry attends The BRIT Awards 2017 at The O2 Arena on February 22, 2017 in London, England. (Photo by Samir Hussein/Samir Hussein/Redferns)
LONDON, ENGLAND - FEBRUARY 22: EDITORIAL USE ONLY. (L) Katy Perry and Skip Marley perform on stage at The BRIT Awards 2017 at The O2 Arena on February 22, 2017 in London, England. (Photo by Dave J Hogan/Getty Images)
LONDON, ENGLAND - FEBRUARY 21: Katy Perry seen at BBC Radio One on February 21, 2017 in London, England. (Photo by Neil Mockford/GC Images)
LONDON, ENGLAND - FEBRUARY 20: Katy Perry attends at the Christopher Kane show during the London Fashion Week February 2017 collections on February 20, 2017 in London, England. (Photo by Antonio de Moraes Barros Filho/WireImage)
LONDON, ENGLAND - FEBRUARY 20: Katy Perry seen at Christopher Kane at Tate Britain on Day 4 of London Fashion Week February 2017 on February 20, 2017 in London, England. (Photo by SAV/GC Images)
NEW YORK, NY - FEBRUARY 16: Singer-songwriter Katy Perry is seen arriving at the Marc Jacobs Fall 2017 Show at Park Avenue Armory on February 16, 2017 in New York City. (Photo by Gilbert Carrasquillo/GC Images)
LOS ANGELES, CA - FEBRUARY 12: Singer Katy Perry arrives at the 59th GRAMMY Awards at the Staples Center on February 12, 2017 in Los Angeles, California. (Photo by Jon Kopaloff/FilmMagic)
LOS ANGELES - FEBRUARY 12: Katy Perry performs during THE 59TH ANNUAL GRAMMY AWARDS, broadcast live from the STAPLES Center in Los Angeles, Sunday, Feb. 12 (8:00-11:30 PM, live ET/5:00-8:30 PM, live PT; 6:00-9:30 PM, live MT) on the CBS Television Network. (Photo by Monty Brinton/CBS via Getty Images)
LOS ANGELES, CA - FEBRUARY 12: Singer-songwriter Katy Perry arrives at the Universal Music Group's 2017 GRAMMY After Party at The Theatre at Ace Hotel on February 12, 2017 in Los Angeles, California. (Photo by Jeffrey Mayer/WireImage)
LOS ANGELES, CA - FEBRUARY 12: Singer Katy Perry attends the Universal Music Group's 2017 GRAMMY After Party at The Theatre at Ace Hotel on February 12, 2017 in Los Angeles, California. (Photo by Greg Doherty/Patrick McMullan via Getty Images)
LOS ANGELES, CA - FEBRUARY 12: Singer Katy Perry attends The 59th GRAMMY Awards at STAPLES Center on February 12, 2017 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
WESTWOOD, CA - DECEMBER 07: Singer Katy Perry arrives at the Los Angeles Premiere of 'Office Christmas Party' at Regency Village Theatre on December 7, 2016 in Westwood, California. (Photo by Axelle/Bauer-Griffin/FilmMagic)
WESTWOOD, CA - DECEMBER 07: Katy Perry and Jennifer Aniston attend the Premiere of Paramount Pictures' 'Office Christmas Party' at Regency Village Theatre on December 7, 2016 in Westwood, California. (Photo by Todd Williamson/Getty Images)
NEW YORK, NY - NOVEMBER 30: (EXCLUSIVE COVERAGE) Katy Perry and Tony Winner Cynthia Erivo pose backstage at the hit musical 'The Color Purple' on Broadway at The Jacobs Theatre on November 30, 2016 in New York City. (Photo by Bruce Glikas/Bruce Glikas/FilmMagic)
NEW YORK, NY - NOVEMBER 29: Cindi Jaliher, Katy Perry (C), and Carol Edwards attend the 12th annual UNICEF Snowflake Ball at Cipriani Wall Street on November 29, 2016 in New York City. (Photo by Kevin Mazur/Getty Images for UNICEF )
NEW YORK, NY - NOVEMBER 29: Singer Katy Perry attends the 12th Annual UNICEF Snowflake Ball at Cipriani Wall Street on November 29, 2016 in New York City. (Photo by Noam Galai/WireImage)
NEW YORK, NY - NOVEMBER 29: Katy Perry attends the 12th Annual UNICEF Snowflake Ball at Cipriani Wall Street on November 29, 2016 in New York City. (Photo by Michael Loccisano/Getty Images)
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Katy Perry's WITNESS: The Tour – North American Leg 2017

19-Sep Montreal Bell Centre Noah Cyrus*

21-Sep Uncasville Mohegan Sun Arena Noah Cyrus

22-Sep Pittsburgh PPG Paints Arena Noah Cyrus

24-Sep Columbus Schottenstein Center Noah Cyrus*

25-Sep Washington, DC Verizon Center Noah Cyrus

29-Sep Boston TD Garden Noah Cyrus

30-Sep Boston TD Garden Noah Cyrus

2-Oct New York Madison Square Garden Noah Cyrus

6-Oct New York Madison Square Garden Noah Cyrus

8-Oct Newark Prudential Center Noah Cyrus

9-Oct Quebec City Videotron Centre Noah Cyrus*

11-Oct Brooklyn Barclays Center Noah Cyrus

12-Oct Philadelphia Wells Fargo Center Noah Cyrus*

16-Oct Louisville KFC Yum! Center Noah Cyrus

18-Oct Nashville Bridgestone Arena Noah Cyrus

22-Oct St. Louis Scottrade Center Noah Cyrus

24-Oct Chicago United Center Noah Cyrus

25-Oct Chicago United Center Noah Cyrus

27-Oct Kansas City Sprint Center Noah Cyrus

31-Oct Toronto Air Canada Centre Noah Cyrus*

1-Nov Toronto Air Canada Centre Noah Cyrus*

7-Nov Los Angeles STAPLES Center Purity Ring

8-Nov Los Angeles STAPLES Center Purity Ring

10-Nov Los Angeles STAPLES Center Purity Ring

14-Nov San Jose SAP Center Purity Ring

24-Nov Salt Lake City Vivint Smart Home Arena Purity Ring

26-Nov Denver Pepsi Center Purity Ring

28-Nov Omaha Century Link Center Purity Ring

29-Nov Tulsa BOK Center Purity Ring

1-Dec St. Paul Xcel Energy Center Purity Ring

2-Dec Des Moines Wells Fargo Arena Purity Ring

4-Dec Milwaukee BMO Harris Bradley Center Purity Ring

6-Dec Detroit Little Caesars Arena Purity Ring

7-Dec Grand Rapids Van Andel Arena Purity Ring

9-Dec Indianapolis Bankers Life Fieldhouse Purity Ring

10-Dec Cleveland Quicken Loans Arena Purity Ring

12-Dec Atlanta Philips Arena Purity Ring

15-Dec Tampa Amalie Arena Purity Ring

17-Dec Orlando Amway Center Purity Ring

20-Dec Miami AmericanAirlines Arena Purity Ring

2018

5-Jan New Orleans Smoothie King Center Carly Rae Jepsen

7-Jan Houston Toyota Center Carly Rae Jepsen

10-Jan San Antonio AT&T Center Carly Rae Jepsen

12-Jan Little Rock Verizon Arena Carly Rae Jepsen

14-Jan Dallas American Airlines Center Carly Rae Jepsen

19-Jan Phoenix Gila River Arena Carly Rae Jepsen

20-Jan Las Vegas T-Mobile Arena Carly Rae Jepsen

31-Jan Sacramento Golden 1 Center Carly Rae Jepsen

2-Feb Portland Moda Center @ Rose Quarter Carly Rae Jepsen

3-Feb Tacoma Tacoma Dome Carly Rae Jepsen

5-Feb Vancouver Pepsi Live Rogers Arena Carly Rae Jepsen

* indicates date change

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