"back to bedlam" by james blunt, which was the best-selling album of the 2000s decade, was also the best-selling album of the 21st century until august 2011 when it was passed in sales by amy winehouse's "back to black", following winehouse's death the previous month. less than four months later, however, "back to black" was itself overtaken by adele's "21". as of october 2019, "21" remains the biggest-selling album in the uk since 2000 (and fourth best-selling ever), having sold over 4,940,000 copies.