Jimmy Kimmel vs. Kanye West: Real Feud or Prank?

Are Jimmy Kimmel and Kanye West really in a big ol' Twitter fight? Or is Kimmel just pulling a prank along the lines of last month's "worst twerk fail ever" viral video? 

Source: http://www.ivillage.com/jimmy-kimmels-twitter-feud-kanye-west/1-a-548054?dst=iv%3AiVillage%3Ajimmy-kimmels-twitter-feud-kanye-west-548054

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