Forget Grammys, forget platinum records, forget radio spins and ticket sales for world tours. There is no bigger honor for a musician than being named E! Celeb of the Year—well, except maybe having your song covered by a sports team on YouTube.
16 of the biggest names in music—the Hitmakers, if you will—are ready to square off NCAA-style in this bracket. But who provided the soundtrack to 2012 and will leave all the other artists writing heartbroken ballads in his or her wake?