British actor Eddie Redmayne has won the best actor Oscar for The Theory
of Everything, while Julianne Moore picked up best actress for Still
Alice.
Redmayne thanked his "staggering partner in crime", co-star Felicity
Jones, and his "ferocious but incredibly kind director James Marsh".
Dark comedy Birdman won best film and best director for Mexican film-maker Alejandro Gonzalez Inarritu.
It also won best cinematography and best original screenplay.
The film sees Michael Keaton play a former movie superhero actor, who hopes to revive his washed-up career by putting on a Broadway play.
See all the updates from the night on our Oscars live page
Redmayne paid tribute to the Hawking family in his speech
Moore shared her delight with journalists in the press room
Moore used her speech to raise awareness for Alzheimer's disease - in Still Alice, she plays a 50-year-old who has early on-set Alzheimer's.
"I'm so happy, I'm thrilled that we were able to shine a light on Alzheimer's disease," she said.
"So many people who have this disease feel marginalised. People who have Alzheimer's disease deserve to be seen so we can find a cure."
Redmayne was honoured for his portrayal of physicist Stephen Hawking, who has motor neurone disease (ALS).
Accepting his award, he thanked the Hawking family, including Jane Hawking on whose book the film is based, and said his award belonged "to all of the people around the world battling ALS".
Dark comedy Birdman won best film and best director for Mexican film-maker Alejandro Gonzalez Inarritu.
It also won best cinematography and best original screenplay.
The film sees Michael Keaton play a former movie superhero actor, who hopes to revive his washed-up career by putting on a Broadway play.
See all the updates from the night on our Oscars live page
Redmayne paid tribute to the Hawking family in his speech Moore shared her delight with journalists in the press room
Moore used her speech to raise awareness for Alzheimer's disease - in Still Alice, she plays a 50-year-old who has early on-set Alzheimer's.
"I'm so happy, I'm thrilled that we were able to shine a light on Alzheimer's disease," she said.
"So many people who have this disease feel marginalised. People who have Alzheimer's disease deserve to be seen so we can find a cure."
Redmayne was honoured for his portrayal of physicist Stephen Hawking, who has motor neurone disease (ALS).
Accepting his award, he thanked the Hawking family, including Jane Hawking on whose book the film is based, and said his award belonged "to all of the people around the world battling ALS".
Oscars 2015
The winners
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4 awards for Birdman
-
4 awards for Grand Budapest Hotel
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3 awards for Whiplash
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2 acting awards for redheads - Eddie Redmayne and Julianne Moore