The 90th Academy Awards were held in Los Angeles on Sunday night with popular TV host and comedian Jimmy Kimmel hosting the ceremony at the Dolby Theatre.
Jibes on Harvey Weinstein, President Donald Trump, Vice President Mike Pence and the envelope-gate controversy were the star attractions of Jimmy Kimmel's opening monologue.
Acclaimed filmmaker Christopher Nolan's war drama Dunkirk won top sound honours. The film won the gold statue in -- Best Sound Mixing and Best Sound Editing category.
Gregg Landaker, Gary A. Rizzo and Mark Weingarten picked the Best Sound Mixing honour for the film, and Alex Gibson and Richard King took the Best Sound Editing trophy.
The film, which has also been written by Nolan, brings the story of Operation Dynamo as it unfolds on land, sea and air.
Icarus, which was about doping in Russian sports, and helmed by director Bryan Fogel, was named as the Best Documentary (Feature).
Meanwhile, Coco was named as Best Animated Feature Film at the Oscars 2018, and co-director Lee Unkrich dedicated the honour to the people and culture of Mexico, saying "representation matters".
Filmmaker James Ivory became the oldest Oscar winner at 89 for his adapted screenplay for Call Me By Your Name. The screenplay of the gay romance movie, directed by Luca Guadagnino, is based on the eponymous novel by Andre Aciman.
Jordan Peele won an Oscar for Original Screenplay, with Get Out.
Best Supporting Actor
Actor Sam Rockwell won his first Oscar in the Best Supporting Actor category for his performance in Three Billboards Outside Ebbing, Missouri.
He was up against Willem Dafoe (The Florida Project), Woody Harrelson (Three Billboards outside Ebbing, Missouri), Richard Jenkins (The Shape of Water) and Christopher Plummer (All the Money in the World) for the award.
Helmed by Martin McDonagh, the film is about a mother who, when the police in her town fail to find a suspect in her daughter's murder, purchases three billboards to call public attention to the unsolved crime.
Meanwhile, actor Allison Janney took home her first Oscar in the Best Actress in a Supporting Role category for her powerful performance in I, Tonya.
She was in the race to win the coveted trophy with Mary J. Blige (Mudbound), Lesley Manville (Phantom Thread), Laurie Metcalfe (Lady Bird) and Octavia Spencer (The Shape of Water).
Gary Oldman won the Best Actor Oscar for Darkest Hour, for his portrayal of Winston Churchill, which involved daily four-hour makeup sessions.
For Oldman, it was his second nomination in the Actor in a Leading Role category. He was previously nominated for Tinker Tailor Soldier Spy in 2011.
While accepting the award, Oldman said: "I've lived in America for the longest time, and I am deeply grateful to her for the loves and the friendships I have made and the many wonderful gifts it has given me. My home, my livelihood, my family, and now Oscar."
On the other hand, Frances Mcdormand won the Oscar for Best Actress, for her role in Three Billboards outside Ebbing, Missouri.
She was given the award for essaying the role of Mildred, a woman with a burning sense of injustice over the police failure to find the killer of her daughter.
60-year-old McDormand pipped, among others, The Post star Meryl Streep, who scored her 21st nomination and the 17th in this category at the Oscars.
McDormand left an impact with her acceptance speech after she asked every female nominee in the room to stand up and asked male gatekeepers to ask them about their projects and ideas not just at Oscar after-parties, but in office meetings following awards season.
Best Director and Best Picture
Guillermo del Toro, who faces a copyright infringement lawsuit for The Shape Of Water, won the Best Director and Best Picture Academy Awards for the movie.
The Shape of Water, a fantasy drama, has been in the midst of allegations that it is a copy of a 1969 play Let Me Hear You Whisper.
The film stars Sally Hawkins as a mute cleaner working in a Cold War-era lab facility, who bonds with a sea creature being kept there.
It dominated the Academy Awards' nomination pack with nods in a maximum of 13 categories this year.