The band started their very first U.S. tour a few months after the European release. The band opted to present itself on metal festivals as also on mainstream festivals, due to the diversity they presents throughout their discography. of The Heart of Everything, supporting Lacuna Coil, and appearing alongside In This Moment, Stolen Babies, The Gathering, and Kylesa. The tour, dubbed The Hottest Chicks in Metal Tour 2007. Lead vocalist Sharon den Adel classified it more of an "introductional" tour, as The Heart of Everything was not released in the United States yet. And, with the release of The Heart of Everything on 24 July 2007, the band decided to kick off their first headlining US tour in Fall 2007. The band played 13 shows, starting on 5 September 2007, in Boston and ended on 23 September 2007, in Tempe, Arizona.
