Complex sentence: In late 2003, Aguilera performed the track during the tour's extension, Stripped Live... on Tour, which happened without Timberlake: the performance is included on her first full-length DVD "Stripped Live in the U.K." (2004).
Split into simpler sentences: In late 2003, Aguilera performed the track during the tour's extension, Stripped Live... on Tour, which happened without Timberlake. The performance is included on the singer's first full-length DVD "Stripped Live in the U.K." (2004).