Seriously, there's a lot to say here.
The two started talking about performing the song at the Oscars pretty much as soon as they realized they were going to be nominated. He told Variety back in November that they were thinking about it. "We talked about that actually, because I'm such a maniac. I started texting her the whole pitch of how we should do it," he said. "So we'll see. There might be a cool, unorthodox way we could perform it."
Closer to the actual date of the show, though, "I'm sure I'll be terrified," he said literally three weeks ago.
If you want to compare what just went down to the original performance from the movie, here's that link for ya. You're welcome!
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This article originally appeared on Cosmopolitan.com. Minor edits have been made by the Cosmo.ph editors.