A minute or two into the 'La La Land' cast and crew's celebration, producer Jordan Horowitz asked for quiet and said the real winner was 'Moonlight.'
The show's accountancy firm, PricewaterhouseCoopers, known as PwC, quickly issued a mea culpa and promised a full investigation into what happened.
The 21st time was the charm for Hollywood sound mixer extraordinaire Kevin O'Connell who finally made his first trip to the stage at the Oscars.
"How no one was killed was a miracle," said Gino Ascani, a New Orleans firefighter who was at the scene.
Skywatchers in the Southern Hemisphere were treated with a partial solar eclipse that turns the sun into a "ring of fire."