Yep, due to a mix-up in envelopes, La La Land was announced as the winner, when it was actually Moonlight. Jimmy Kimmel's quip about blaming Steve Harvey is a reference to Harvey's mistake in announcing the winner of the Miss Universe pageant (he announced Miss Columbia as the winner, rather than Miss Philippines, the actual winner). But Harvey took it in stride with this hilarious reaction on Twitter:
Good morning everybody! Went to sleep early last night. So... what I miss? #Oscars— Steve Harvey (@IAmSteveHarvey) February 27, 2017
Oh yeah, and here's Emma Stone being awesome as usual after the show:
Finally, FiveThirtyEight reacts to the winners and discusses how their predictive model stacked up.