Steve Harvey just took a very deep breath.
Best Picture presenter Warren Beatty named La La Land as the night's big winner, and producer Jordan Horowitz took the stage to give his acceptance speech.
"There's a lot of love in this room," he said. "And let's use it to create and champion bold and diverse work ... toward empathy."
But as his colleagues began taking their turns, Horowitz returned to the mic to say: "There's been a mistake. Moonlight won."
And then, contained pandemonium ensued.
This story is developing ...Topics: Entertainment, Movies, la la land, moonlight, oscars 2017