Madonna concluded her contract with Warner by releasing her third greatest-hits album , '' Celebration '' , in September 2009 . It contained the new songs " Celebration " and " Revolver " along with 34 hits spanning her musical career with the label . '' Celebration '' reached number one in several countries , including Canada , Germany , Italy , and the United Kingdom . She appeared at the 2009 MTV Video Music Awards to speak in tribute to deceased pop singer Michael Jackson . Madonna ended the 2000s as the best-selling single artist of the decade in the U.S. and the most-played artist of the decade in the UK . '' Billboard '' also announced her as the third top-touring artist of the decade — behind only The Rolling Stones and U2 — with a gross of over $ 801 million , 6.3 million attendance and 244 sell-outs of 248 shows
2009 MTV Video Music Awards
2009 MTV Video Music Awards
Madonna (entertainer)