 A music video for " Fighter " was directed by Floria Sigismondi . Aguilera performed the track on three of her major concert tours : Justified and Stripped Tour ( 2003 ) , The Stripped Tour ( 2003 ) , and Back to Basics Tour ( 2006 – 08 ) . " Fighter " has been covered by several artists , including Jordin Sparks and Darren Criss . 
