12/14/2012 04:58 EST

Pop Power Rankings: Beyonce Hits #1, Psy Drops... Gangnam Style

Getty Images
LOS ANGELES, CA - JULY 01: Singer Beyonce accepts the award for Best Female R&B Artist onstage during the 2012 BET Awards at The Shrine Auditorium on July 1, 2012 in Los Angeles, California. (Photo by Michael Buckner/Getty Images For BET)

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 HuffPost'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

Photo gallery Pop Power Rankings For December 14 See Gallery