Christina Mara Aguilera (born December 18; 1980) is an American pop singer and songwriter. She was signed to RCA Records after recording -Reflection- for the film Mulan. She came to prominence following her debut album Christina Aguilera (1999); which was a commercial success. A Latin pop album; Mi Reflejo; and several collaborations followed which garnered Aguilera worldwide success; but she was displeased with the lack of input in her music and image.Aguilera-s third studio album Back to Basics (2006) included elements of soul; jazz; and blues music; and was released to positive critical reception. Aside from being known for her vocal ability and ever-changing image; musically; she includes themes of dealing with public scrutiny. Two songs on the album, "Infatuation" and "Underappreciated", talk about the relationship with former boyfriend Jorge Santos, who was one of her dancers during live performances and videos like "Dirrty". In "Infatuation" she explains how she felt in love with Santos, while in "Underappreciated" she talks how she fell out of the relationship.Christina Mara Aguilera (born December 18; 1980) is an American pop singer and.