'' Keeps Gettin ' Better : A Decade of Hits '' 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 , and has sold over 530,000 copies in the United States as of 2014 . Additionally , it entered the top ten of record charts in multiple countries and achieved several certifications . Its only single " Keeps Gettin ' Better " debuted at number seven on the US '' Billboard '' Hot 100 , becoming Aguilera 's highest-debuting single on the chart . To promote the album , Aguilera performed at the American Music Awards of 2008 and the 2008 MTV Video Music Awards
American Music Awards of 2008
American Music Awards of 2008
Keeps Gettin' Better: A Decade of Hits