In support of "Christina Aguilera" and "Mi Reflejo", Aguilera embarked on her first concert tour, Christina Aguilera in Concert, beginning in May 2000 in the United States and concluding in Asia in early 2001.
Pri štirinajstih letih je posnela svojo prvo pesem, »All I Wanna Do«, uspešni duet z japonsko pevko Keizo Nakanishi.