sentences:  In total, the Best of Both Worlds Tour had a total attendance of approximately one million people and grossed over US $54 million, according to Billboard Boxscore, becoming the highest-grossing concert tour for a new act in 2007 and 2008.The record was recognized with the award for Breakthrough Act at the 2008 Billboard Touring Awards.Tickets for the Best of Both Worlds Tour sold out quite rapidly.