Christina Aguilera is a person that performs music professionally.
Back to Basics is the fifth studio album by American singer Christina Aguilera . Christina Aguilera . Aguilera has also been featured on several successful collaborations during her career , including `` Lady Marmalade '' , `` Moves like Jagger '' , and `` Say Something '' . `` Genie in a Bottle '' is a song by American singer Christina Aguilera from her self-titled debut album released in 1999 . Mi Reflejo ( My Reflection ) is the second studio album and first Spanish album by American singer Christina Aguilera .