Lil Wayne's just headed off on a joint tour with Drizzy Drake, but he still found time to premiere his new music video 'Krazy', exclusively with MTV.

Taken from hisupcoming album Tha Carter V, which is slated for a "September or August" release according to the man himself, 'Krazy' is just a taste of what's to come from Weezy.

Watch the video above to see Lil Wayne cause chaos in a mental institution, with split personalities and checked shirts all round.