Oscars 2020: Live updates as stars head to parties - BBC News
Jojo Rabbit, 1917 and Toy Story 4 were also among the winners.
Joker star Joaquin Phoenix used his best actor acceptance speech to cast light on what he described as humanity's plundering of the natural world for resources.

He also touched upon his own behaviour - admitting that while he had been "hard to work with" in the past he was grateful for being given a second chance.

Quote Message: I’ve been selfish, I’ve been cruel at times, hard to work with, and I’m grateful that so many of you in this room have given me a second chance. from Joaquin Phoenix Best Actor for The Joker I’ve been selfish, I’ve been cruel at times, hard to work with, and I’m grateful that so many of you in this room have given me a second chance.

"I think that’s when we’re at our best, when we support each other, not when we cancel each other out for past mistakes," he added.

"But when we help each other to grow, when we educate each other, when we guide each other toward redemption. That is the best of humanity."