Kanye and John Mayer’s ‘Bittersweet’ Collabo

Kanye West's new song, 'Bittersweet' featuring John Mayer has "leaked." We have a hunch it was done on purpose considering they taped this quirky little promotional video for it, but either way we're stoked. Here's the song...oh, and it's got some bad words in it, so that means earmuffs, kids!