It was the first time in living memory that such a major mistake had been made at the Academy Awards, Hollywood’s biggest night. It even eclipsed the prior three hours of a show peppered with jokes about US President Donald Trump. African-American coming-of-age tale "Moonlight" won the Oscar for Best Picture on Sunday on a big night for Hollywood diversity that was overshadowed by an embarrassing onstage gaffe over the top award. In a mishap that caused uproar and confusion, presenters Warren Beatty and Faye Dunaway initially announced that romantic musical "La La Land", the presumed favourite for Best Picture,