Aguilera rose to stardom with her eponymous debut album, for which she is credited for influencing the revival of teen pop during the late 1990s and early 2000s. Known for her four-octave vocal range and ability to sustain high notes, she has been referred to as the ' Voice of a Generation'. Christina María Aguilera ( / æ ɡ ɪ ˈ l ɛər ə/ Spanish: born December 18, 1980) is an American singer, songwriter, actress, and television personality.