Pop singer Avril Lavigne performs at Open Air Festival in Frankfurt

Canadian pop singer Avril Lavigne performs during the 'Open Air Festival' in front of the major concert hall 'Alte Oper' in Frankfurt Main, Germany, 11 July 2007. Lavigne presented older songs as well as her latest ones from the current album 'The best damn thing'. In Frankfurt the pop singer launched her world tour, including one other stop in Germany, Hamburg on the following day. Photo: Boris Roessler