1. “Look at Me Now,” Chris Brown feat. Busta Rhymes & Lil Wayne
The sky-high apex of Chris Brown's haters-hushing F.A.M.E., "Look at Me Now" is an unforgettable, off-the-wall banger from the year 3000. Over a sparse, mad-scientist Diplo/Afro-Jack beat that sounds like R2D2 pillow-talk, Breezy, Lil Tunechi and Busta go hard, each trying to one up the other's double-time slick-talk. Busta's verse will take your breath away—because he never seems to take one. Whether you're Team Breezy or a hard-core hip hop head, this song was almost impossible to hate, dominating 106 & Park for weeks. "I'm on One" may be the more influential song in the long run, but for pure crowd-pleasing, heart-pumping, head-nodding entertainment, "Look at Me Now" was the best song of 2011—by a long a shot.