Timberlake announced that he would go on a co-headlining tour at the 2003 American Music Awards , and it was officially announced that Aguilera would be the co-headlined artist of the tour on January 14 , 2003 . Tour dates were revealed on February 21 , 2003 ; it kicked off on June 4 , 2003 in Phoenix , Arizona and visited 45 cities in North America . The Black Eyed Peas were serviced as the tour 's supporting act
2003 American Music Awards
American Music Awards of 2003 (January)
Justified and Stripped Tour