Iggy Azalea has had a change of heart. The Billboard chart-topping artist canceled her upcoming "Great Escape" tour on Friday, May 29. Fans who purchased tickets were informed in an email that all the dates of the tour had been canceled, and Azalea soon after tweeted an apology to her fans. But they still weren't given a reason, until now. The "Fancy" rapper told Seventeen magazine that she's had a "different creative change of heart" and wants to "start totally anew." The tour was originally sl