Christina María Aguilera Is An American R&B/pop Singer And Songwriter. Aguilera Debuted In 1999. She Was Signed To RCA Records After Recording "Reflection" For The Film Mulan. 'Christina Aguilera' (1999), The Pop Star's Self Titled First Album, Was A Huge Commercial Success. Aguilera Made Her First Appearance/impression On National Television In 1990 As A Contestant On The Star Search Program, And Went On To Star In Disney Channel's Television Series The New Mickey Mouse Club From 1993–1994. Aguilera Has Been One Star Who Has Come Out With Several Collaborations With Artists And Musicians. She Has Taken A Backstage To Have A Full Time Family Life.