Some combos are classic like peanut butter and jelly or Oreos and milk or Cory and Shawn, and some take more getting used to, like chocolate and bacon, or french fries with a Frosty, or Jessica and Roger Rabbit. The idea of our favorite artists breaking genre barriers and doing collaborations together can be unexpected, even downright shocking, and like some combinations (mustard and oatmeal, for instance), it doesn't always work. But when it does, it can be a very beautiful thing.

Open your mind and your ears, and listen as HotNewHipHop presents the top 15 hip-hop collaborations you most likely never expected to see, but actually turned out to be pretty dope!