Singer/actress Hilary Duff [ tickets ] has pushed back the launch date of her upcoming tour, and has rescheduled some of her Canadian shows for later this year.

Duff's website cited "production delays" for the reshuffling, which moves six of her shows to the back end of her itinerary in September, including the tour's previous opener in Montreal. The tour, which backs Duff's latest studio effort, "Dignity," will now kick off July 28 in Winnipeg, Manitoba.

Other affected dates include Duff's shows in Ottawa, Hamilton, London, Sault St. Marie and Toronto, all in the Canadian province of Ontario. The complete revised schedule is included below. All tickets previously purchased for the rescheduled shows will be honored for the new dates, according to Duff's website.

Released in April, "Dignity" is Duff's third solo album, and follows 2005's "Most Wanted."

The multi-talented Duff is scheduled to appear in a pair of movies this year. Aside from providing her voice to the animated feature "Foodfight," she'll co-star with John Cusack in "War, Inc." an action movie about a hit man assigned to kill an oil minister.

Cusack lavished praise on Duff in a recent interview with MTV Movie News, calling her "a great actress. I just spent the entire fall with her and she was a revelation every day. I don't think people know that yet, but they're gonna."