Rose Byrne has received her first Oscar nomination after making the shortlist for best actress overnight.
Byrne is joined by fellow Australian Jacob Elordi, who received his first nomination for best supporting actor.
Musician Nick Cave has also received a surprise shot at a major gong with a nomination for best original song.
Byrne's performance in indie film If I had Legs I'd Kick You has already earned her the best actress prize at four key pre-Oscars events, including the Golden Globes.
She received the news of her Oscar nomination in the middle of the night in Australia.
"I was falling asleep and then [husband Bobby Cannavale] starts FaceTiming me [from New York] because I wanted to try and stay up but it was so late," she said.
"And then he started screaming, it was like 'They said your name!' and then my parents came in the room, they're like 'Oh my God!' and then we were all screaming, and that was it. Now I've had a shot of adrenaline and I'm wide awake."
The movie follows the story of Linda (played by Byrne), a therapist navigating the harsh challenges of motherhood.
Director Mary Bronstein told SBS News last year she wanted to "create a portrait of a mother I had never seen before".
"When I thought about it, I was like: What movie have I ever seen where it centres a woman who happens to have a child, but it's not about her mothering and it doesn't judge her and it lets her be an actual human being? That's written and made by a woman?"
Byrne is up against Jessie Buckley in Hamnet, Kate Hudson in Song Sung Blue, Renate Reinsve in Sentimental Value and Emma Stone in Bugonia.
Elordi's nomination for his role in Guillermo Del Toro's Frankenstein is one of nine for the Netflix film.
Speaking to the Hollywood Reporter, the Brisbane-born actor said he was "beside himself" after receiving the news.
"I am so excited. I mean, I'm 28 years old. It's wind in the sails," he said.
Cave was nominated for the title song to Clint Bentley's film Train Dreams, which stars Australian actor Joel Edgerton.
Edgerton, the central pillar of Train Dreams, was not nominated, though the picture earned four nominations, including best picture.
Australian costume and production designer Fiona Crombie has also been nominated for an Oscar this year, in the best production design category for her work on Hamnet.
Sinners sets new record
Sinners, a segregation-era vampire thriller starring Michael B Jordan, has stormed into the awards race with the most Academy Award nominations of any film this year, landing a record 16 nods.
The large haul sets up Sinners as the frontrunner heading into the 15 March Oscars, where it will face off against contenders One Battle After Another, Frankenstein, Hamnet, Marty Supreme and others for the coveted best picture prize.
The previous record for most nominations in a single year was 14, a mark hit by All About Eve, Titanic and La La Land.
Bugonia, F1, The Secret Agent, Sentimental Value and Train Dreams were also nominated for this year's best picture trophy.
Winners of the gold Oscar statuettes will be chosen by the roughly 10,000 actors, producers, directors and film craftspeople who make up the Academy of Motion Picture Arts and Sciences.
Comedian Conan O'Brien will host for the second year.
- With additional reporting from Reuters
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