'Shut Up and Let Me Go,' The Ting Tings

If you wanted to tell an ex-lover to kiss off, there was no better way to do it this year than by posting this song on your blog. As an added bonus, the British dance-pop duo's booty-shaking flow made it all too easy to lock steps with a would-be suitor for a verse or two before strutting the other way on the dance floor. And it made a damn fine iPod ad, to boot.

Buy it on iTunes