Shania Twain has just announced a North American Tour to promote her new upcoming album, Now, that is set to be released on September 29th.  This upcoming tour begins on May 3rd in Tacoma, WA and ends on August 4th in Las Vegas, NV. Fans can expect tickets for this tour to be in huge demand due to the country singer’s extreme popularity and the fact that she hasn’t headlined a tour since 2015’s Rock This Country, which prompts the question: when do Shania Twain tickets go on …