Christina María Aguilera is an American singer, songwriter, actress, and television personality. An influential figure in music, Aguilera is noted for her four-octave vocal range, melismatic singing style, use of the whistle register, and continual reinventions of her image and artistry. Referred to as the "Voice of a Generation", she was ranked among the greatest singers of all time by Rolling Stone. Her works have incorporated socially conscious and sexual themes, generating both controversy and critical acclaim.
After appearing on The All New Mickey Mouse Club, Aguilera recorded "Reflection", the theme song for the animated film Mulan, and signed a record deal with RCA Records. She rose to fame as a teen idol with her self-titled debut album, which topped the US Billboard 200 and garnered three US Billboard Hot 100 number-one singles: "Genie in a Bottle", "What a Girl Wants" and "Come on Over Baby". Aguilera took on a more provocative image on her 21st-century bestseller, Stripped. After another retro-inspired reinvention, she scored her second US number-one album, Back to Basics.