Best of Both Worlds Tour was the debut concert tour by American singer Miley Cyrus. The tour was held in support of the double-disc Hannah Montana 2: Meet Miley Cyrus (2007), which consisted of the soundtrack to Hannah Montana's second season and her debut studio album. It initiated in October 2007 and concluded in January 2008, visiting cities in the United States and Canada. The tour was promoted by AEG Live and Buena Vista Concerts. Labelmates the Jonas Brothers, Aly & AJ, and Everlife each served as opening act during the tour. One dollar from each ticket sold was donated to the City of Hope National Medical Center, an organization devoted to the fight against cancer. The Best of Both Worlds Tour raised over US $2 million for the organization.