When Rose Byrne stepped onto the podium to collect her Golden Globe award for best actress in a musical or comedy, it marked a huge turning point for the Australian-born actress.
Until then, Byrne, 46, was still somewhat of an enigma both here and in the US, where she has lived off and on for more than 20 years.
In fact, many celebrity watchers this week had no idea Byrne was an Aussie prior to her making her hilarious acceptance speech.
Watch the video above.
Mary Rose Byrne was born on July 24, 1979, in Sydney’s inner west suburb of Balmain.
The youngest of four children has two sisters, Alice and Lucy, and a brother George, who was her date to the Globes.
Her mother Jane worked in school admin while her father was a statistician and marker researcher.
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She attended Balmain Public School and later Hunters Hill High School and Bradfield Senior College – all public schools – and by eight was having acting lessons at Australian Theatre for Young People.
Byrne told Grazia in 2016, “I loved dressing up when I was little and playing games.
“I had an incredibly vivid imagination. I’d say I’ve always been a creative spirit.
“I don’t know if there was a formative moment that made me want to be an actress but probably a series of moments that led up to it.
“Realising that I could do something I loved so much as a job was a real revelation to me.”
Her first break came when she appeared in the 1994 Aussie film, Dallas Doll, which was filmed when she was 13 and was screened at the following year’s Cannes Film Festival.
This was followed by a 130-episode run in the Aussie soap Echo Point. The show lasted one season but helped launch the careers of a a host of young stars including Byrne, Melissa Tkautz and Martin Henderson.
After the show was cancelled in 1995, she appeared on episodes of various TV shows, then found herself at a crossroads after finishing school.
Byrne looked back on her time as a young auditioning actress during a 2015 interview with Media, Entertainment & Arts Alliance.
“There was plenty of rejection,” she said.
“I auditioned for a few of the big drama schools – Nepean, WAAPA, NIDA – and didn’t get in to any of them.
“I was really disappointed with myself. I wasn’t quite sure if I’d be legitimate without training for three years in a more traditional sense.”
Byrne decided to study an arts degree at Sydney University.
“I still have great memories of those days: studying, working, auditioning,” she said.
“Just being a jobbing actor trying to figure out life after high school.
“I remember getting the 389 bus over to Darlinghurst for auditions. I remember how exciting it was going there for castings and how scary it was as well. I was always incredibly nervous.”
Byrne’s big break came when she was cast alongside late Aussie actor Heath Ledger in the film Two Hands, which was shot in and around Sydney in 1998 ahead of its release the following year.
By then, Ledger was the bigger star of the two, having appeared in the Hollywood film 10 Things I Hate About You, which was released just months before Two Hands.
She spoke about the experience and their friendship during a 2025 interview on the podcast, Armchair Expert with Dax Shepard.
“I did a film with Health Ledger when we were 18,” Byrne said. “We were just kids.
“We were close when we were 18, 19, like just kids, and we did a film together and it went to Sundance [Film Festival].”
Byrne has often credited Ledger for helping her get her foothold in Hollywood, revealing she went to the US after the film premiered and stayed with him.
The actress said after the success of Two Hands, she “really wanted to work internationally” but didn’t know how.
“I came over here and stayed with him a bunch of times and he was sweet. He would get me auditions for things,” she said.
“I got an agent – a fancy agent, and that was exciting and I started auditioning, spending time in LA and then I went back to Australia and worked more there.”
Byrne said she never heard from the Hollywood agent again, but won a four-episode role in the Aussie TV series Heartbreak High, then a part in the 2000 film My Mother Frank.
More roles followed before she won a small role in Star Wars: Episode II – Attack of the Clones, then the 2002 Matt Dillon film City of Ghosts and 2004 film Troy, opposite Brad Pitt.
Her big break came in the psychological thriller Wicker Park, starring Josh Hartnett and Diane Kruger.
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It placed her firmly on the Hollywood map and led to a slew of film roles before she made the leap to TV in 2007 to star opposite Hollywood heavyweight Glenn Close in Damages.
Byrne told The Sunday Telegraph in 2012 she was initially scared of Close.
“Glenn is such an icon, so it was hard, initially, to separate that in my mind,” she said.
“I was pretty scared and nervous but that’s what my character was feeling as well, so it worked well.”
She appeared in 59 episodes of the show and earned two Primetime Emmy nominations for Outstanding Supporting Actress in a Drama Series and two Golden Globe nominations for Best Supporting Actress – Series, Miniseries, or Television Film.
During her five-year run on the show, she and Close became firm friends, with Byrne a regular visitor to her co-star’s home in upstate New York.
“We get along well and that’s not always the case when you do a job, that you become friends as well as colleagues,” she said.
While on the show, she continued to cement herself as a movie star thanks to films Sunshine, opposite Cillian Murphy, The Tender Hook, Knowing, Get Him to the Greek and supernatural thriller Insidious.
Then came her turn as part of the ensemble cast in the 2011 female-driven comedy Bridesmaids, where she played Helen.
During a 2023 appearance on the podcast SmartLess with Jason Bateman, Sean Hayes and Will Arnett, she said she had “no idea” how big the film would be, and initially found it “weird” and “bizarre” to have so many women on set.
“That was really unusual because usually if you’re in a film it’s not often you’re the only woman or you’re doing a scene opposite a guy or it’s very rare to have that,” she said.
“I remember thinking those days were so fun because we all really hit it off. It was a very good vibe on set.”
The film cost $49 million to make and grossed $455 million at the box office.
Next she played a CIA agent in X-Men: First Class, and scored her first lead in the romantic comedy, I Give it a Year. It was followed by The Internship and Neighbours, known as Bad Neighbours in Australia, opposite Seth Rogan.
She also appeared in family-friendly films Annie, Peter Rabbit and its sequel and Instant Family.
The past couple of years have seen her scuttle back and forth between film and TV, before her now award-winning turn in If I Had Legs I’d Kick You as burnt-out mother Linda.
Personal life
From about 2004 to 2010, Byrne was in a relationship with Cronulla-born actor, screenwriter and playwrite Brendan Cowell.
In 2012, she was introduced to actor Bobby Cannavale by mutual friends and the two began dating.
Byrne was still filming Damages when they met and Close spoke about their chemistry during a 2019 Vanity Fair interview.
“The chemistry between them, it’s just so remarkable,” she said.
“They’re both kind of universally loved.”
They made their red carpet debut the following year and were soon working together on films Adult Beginners, Annie, Spy, Martha The Monster, Seriously Red and last year’s Ezra.
In February 2016, they welcomed their first child together, son Rocco, followed in November 2017, by another son, Rafael, whom they call Rafa.
Cannavale also has an older son Jake, 30, with US actress and screenwriter Jenny Lumet, to whom he was married from 1994 to 2003.
Byrne and Cannavale have one of the strongest unions in showbiz, and refer to reach other as husband and wife, despite never marrying.
Byrne told The Sydney Morning Herald in 2021 they had not ruled out marriage but simply hadn’t found the time.
“I keep going, ‘Let’s get around to it, let’s do it,'” she said.
“And then, you know, you have a baby, and then, oh, there’s another baby.
“It was kind of like that for us.
“I love weddings, and I know people [for whom] it’s an important thing, and I respect that totally. I guess for us it’s just been, we didn’t do it, we’ll do it, then, no! Pandemic.”
In 2023 she told People, “I’m more married to him than anybody I’ve ever been with my whole life” and said it was “definitely something that we will do”.
“We’ll get around to it.”
During her hilarious Golden Globes acceptance speech, Byrne thanked her brother George for being her date and her parents for shelling out for the streaming subscription so they could watch back at home in Sydney, before thanking “my husband, Bobby” and explaining his absence.
“[He] couldn’t be here because we’re getting a bearded dragon and he went to a reptile expo in New Jersey. So, thank you, baby.”
Earlier that week, she told the host of The Tonight Show Starring Jimmy Fallon that Cannavale would not be accompanying her to LA because the expo was on the same day.
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“And it would just be such a parent fail so we’re doing it. I’m on board for the dragon, it’s going to be great. He’s doing God’s work,” she said.
Byrne has an estimated net worth of about $24 million from her acting work and advertising campaigns but her income will likely grow now that she can add “Golden Globe winner” to her resume.
She and Cannavale live in a renovated brownstone building in New York City’s Brooklyn, but she loves to return to Australia, which she once described as her “emotional home”.
During an appearance on LIVE with Kelly and Mark, she said the family returned to Australia for a holiday in 2025.
“We did a road trip. We got an RV and we drove from Melbourne to Sydney,” she said. “We did a whole Griswolds.”
Byrne also revealed her kids were thrilled when she voiced the character of Chilli’s sister Brandy in two episodes of Bluey.
Among those to offer congratulations this week was the NSW Department of Education, which took to Facebook to praise the star for her win.
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