'12 Years a Slave' takes home the Best Picture' award.
Directed by Steve McQueen, the film was nominated for nine Oscars tonight. The film took home the prize for best adapted screenplay as well.
Brad Pitt and Angelina Jolie
Based on a true story, "12 Years A Slave" stars Chiwetel Ejiofor as Solomon Northup, a free African-American man in the 19th century who was kidnapped and forced into slavery. It won the Bafta award for Best Film and the best drama Golden Globe award this year.
Brad Pitt, Dede Gardner, Jeremy Kleiner, Steve McQueen and Anthony Katagas accept the award.
The Oscar for Best Actor goes to Matthew McConaughey for 'Dallas Buyers Club'.
This is his first Academy Award nomination and win. McConaughey won a Golden Globe for his performance as well.
Cate Blanchett wins the Best Actress award for 'Blue Jasmine'.
This is her second Oscar and sixth nomination. She previously won the award for best supporting actress for "The Aviator" in 2004.
In "Blue Jasmine" Blanchett plays a New York socialite who moves to San Francisco to live with her sister when her life falls apart. She also won a Golden Globe for her performance.
Director Alfonso Cauron wins the Best Director award for 'Gravity'.
This is the sixth nomination for the Mexican director, also nominated for two other awards tonight. With his win tonight for film editing, this is Cuaron's second Oscar.
The 52-year-old film maker says the lengthy making of the film was a transformative experience for those involved; for him, that meant the color of his hair.
Best Adapted Screenplay - The Oscar goes to John Ridley for "12 Years A Slave".
"12 Years A Slave," based on a true story, stars Chiwetel Ejiofor as Solomon Northup, a free African-American man in the 19th century who was kidnapped and forced into slavery.
Kristen Anderson-Lopez and Robert Lopez of 'Frozen' who wrote "Let it Go" win Best Original Song.
Steven Price of 'Gravity' wins Best Score.
Best Film Editing goes to 'Gravity'.
'Gravity' takes home its third Oscar of the night - Best Cinematography.
Lupita Nyong'o wins the Best Supporting Actress award for her role in '12 Years a Slave'.
The 31-year-old first time nominee wins an Oscar for her first feature film role.
The audience rises to its feet for a standing ovation. She beats Julia Roberts, June Squibb, Jennifer Lawrence and Sally Hawkins.
In "12 Years A Slave," Nyong'o plays Patsey, a slave and mistress of a cruel plantation owner in the deep south.
This is 31-year-old Lupita's debut performance as Patsy in Steve McQueen's movie.
Best Sound Mixing and Sound Editing goes to 'Gravity'
Best Foreign Film goes to 'The Great Beauty' from Italy.
Honorary Oscars - The recipients of this year's honorary Oscars are announced, Steve Martin, Angela Lansbury and Angelina Jolie. The honorary Oscars were awarded at the Governors Awards ceremony in Hollywood in November 2013.
Best Live Action Short Film - "Helium" wins the Oscar. The film focuses on a hospital janitor who tells a dying boy stories of a magical land called Helium.
Achievement in Visual Effects - The Oscar goes to "Gravity."
'20 Feet from Stardom' wins Best Documentary Feature. The film follows the lives of pop music back-up singers.
Best Animated Short Film - "Mr. Hublot", a story of an eccentric, isolated man, Mr. Hublot, who finds his carefully ordered world disrupted by the arrival of Robot Pet.
Earlier: Jared Leto wins best supporting actor And look at that Jared Leto won Best Supporting Actor for his role in Dallas Buyers' Club.
Jared topped '12 Years a Slave's' Michael Fassbender and Jonah Hill, from 'The Wolf of Wall Street.
Leto plays HIV-positive transgender woman Rayon opposite Matthew McConaughey in the Texas-set account of a "buyers club" seeking out unapproved medication for their illness.
“Dallas Buyers Club” also won for makeup and hair styling for Adruitha Lee and Robin Mathews.
Animated feature went to the box office blockbuster “Frozen.”
“Mr. Hublot” won animated short, and costume design went to Catherine Martin for the 1920s Jazz Age romantic drama “The Great Gatsby,” directed by her husband, Baz Luhrmann.
The Academy Awards are taking place at the Dolby theatre in Los Angeles, and are being hosted by Ellen DeGeneres.