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...Baby one more time concert tour
The tour ended April 20, 2000. The opening act was LFO. -
Oops I did it again concert tour
The tour ended January 20, 2001. The opening act was BBMak. -
Dream within a Dream tour
The tour ended July 28, 2002. The open act was O-Town. -
The Onyx Hotel Tour
The tour ended June 6, 2004. The opening act was Kelis. -
Circus tour
The tour ended November 29, 2009. The opening act was Jordin Sparks. -
Femme Fatale tour
The tour ends December 10, 2011. The opening act was Nicki Minaj
