"The kicky, 23-year-old British singer released her second album, the break-up requiem 21, in February, but it wasn't just heartbreak that made her popular," Billboard wrote in December 2011. "In contemporary music,

The Double Album, has been crowned Billboard's Top Album of the 21st Century, with the ranking based on Billboard 200 data since 2000. It's a colossal achievement from the Sneedville megastar, with Dangerous beating out competition from other iconic,

Taylor Swift started off the new year on a high note with Billboard crowning her No. 1 on their Top Artist of the 21st Century chart.

Carrie Underwood, Kenny Chesney, Luke Bryan, Florida Georgia Line and numerous other country artists are also featured.