Channeling nominee Michael Keaton in Birdman, Harris let it all hang out in his tighty whities, joined by Whiplash star Miles Teller in an epic drumming cameo. You can pretty much call it a night because this is all you ever needed.
And we used to think the Oscars were boring. Ha!
Check out some more WTF moments from Oscars past.
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[Photo Credit: Getty]