01/04/2013 03:59 EST

Taylor Swift Tops Pop Power Rankings This Week

Getty Images
Singer Taylor Swift performs during New Year's celebrations on Times Square on December 31, 2012 in New York. A million people cheered in New York's Times Square as the traditional crystal ball dropped to mark the start of 2013, bringing a rolling global New Year's party that kicked off in Australia to US shores. AFP PHOTO/EMMANUEL DUNAND (Photo credit should read EMMANUEL DUNAND/AFP/Getty Images)

Power Rankings have been rating sports teams mid-season for years, based on statistical analysis, momentum and gut feelings. But there's just as much strategy and move-making involved in the big leagues of pop.

So, we bring you Huffington Post's Pop Power Rankings, our weekly roundup of who's on top (and who has fallen off) in the pop game.

Last Week's Power Rankings:

Pop Power Rankings For January 4