Blame the accountants. The longtime keepers of the envelopes, accounting firm PricewaterhouseCooopers, The company apologized early Monday after presenters incorrectly announced La La Land as the Best Picture winner, when, in reality, Moonlight had earned the top prize. "We sincerely apologize to Moonlight, La La Land, Warren Beatty, Faye Dunaway, and Oscar viewers for the error that was made during the announcement for Best Picture. The presenters had mistakenly been given the wrong category envelope and when discovered, was immediately corrected. We are currently investigating how this could have happened, and deeply regret that this occurred."