Details: "Keeps Gettin' Better: A Decade of Hits" is the first greatest hits album by American singer Christina Aguilera. It was released on November 6, 2008 through RCA. The album contains Aguilera's singles from all of her studio albums released up to 2008. It also featured four new additions: two remakes of her previous singles and received generally favorable reviews from music critics, who praised her musical career over her first decade since entering the music industry. The album debuted at number nine on the US Billboard 200.