Diddy gives zero f****, and proved it with a Batman costume -- complete with a real Batmobile -- that's so dead-on to the 'Dark Knight' movies, it's sure to piss off Warner Bros. ... and maybe even SAG-AFTRA.
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Check out the artist's killer look from Tuesday night's festivities -- the dude's a spitting image of the big screen Batman, and on top of his picture-perfect costume, he was riding around Hollywood in Batman's Tumbler ... the Batmobile of choice in the Christopher Nolan movies.
Kimmel told him to just dress up as Heath Ledger's character again, despite the heat, but Diddy warned his costume this year would also have WB lawyers working overtime ... and he was true to his word.
Batman was tripped up by one Halloween goblin ... fuel mileage. His Batmobile ran outta gas on Sunset Blvd!!! Of course, he's got people for that, and one of 'em fetched a gas canister for a refill -- not the hero Diddy deserved, but the one he needed!
We covered it all on the latest episode of The TMZ Podcast, available on all podcast platforms.