Cyrus performed both as herself and in character as Hannah Montana on a North American Best of Both Worlds Tour that started on October 18, 2007 in St. Louis, Missouri; the tour was extended, due to high demand, until January 31, 2008, with 69 total dates, 14 more than previously planned. The Jonas Brothers were the opening act for most of the tour. Tour tickets for each date sold out in record time after they went on sale, disappointing large numbers of fans. The tour was recorded and released to cinemas in Disney Digital 3-D. The concert film brought in $8,651,758 on its opening day, and continued on to gross $31,117,834 to finish off the weekend, making it the highest-grossing opening weekend for a film to be released under 1000 screens, and on July 26, 2008 it was released on Disney Channel. Though its initial run in theaters was due to last just a week, Disney extended the film's run indefinitely because of the demand of the fans.

On September 14, 2008, Cyrus, along with