Cameras are everywhere at the Academy Awards - and previously unseen backstage pictures from Monday's ceremony show the lead-up to the biggest bungle in Oscars history.
The candid photos show PricewaterhouseCoopers accountant Brian Cullinan in the minutes before La La Land was wrongly announced as the 2017 Best Picture Oscar winner.
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Entrusted with handing each of the presenters their winners' envelope through the night, it was Cullinan who mistakenly handed presenter Warren Beatty the one spare 'best actress' envelope when time came to present best picture.
Cullinan, who tweeted a picture of Emma Stone from backstage in the minutes before the gaffe, can be seen staring intently into his phone in one photo: