In this week's top videos that had people buzzing, Ke$ha vandalized -- or at least pretended to vandalize -- the sacred Hollywood sign, "Jersey Shore" star Snooki gave us priceless moments at the Grammys, Nirvana played Twister, New Kids on the Block unfortunately did not choose to lip synch on "Jimmy Fallon," and more.
![Russian Roulette [Instrumental] [Instrumental]](http://www.billboard.com/files/styles/thumbnail_140/public/songs/r/165830310.jpg)
