A glitchy memory here, a colorful childhood there—sometimes profiles read too perfect. But real lives, like Sabrina Bartlett’s story, are charmingly human with a few stumbles along the way.
Born in Fulham, London in September 1991, Sabrina Lois Bartlett grew up amid art and coastal landscapes. Her parents, Stephen and Sharon, work in the arts, and she has two sisters and a brother . Struggling briefly with dyspraxia, she found balance through ballet before shifting her focus to drama, training at Tring Park School for the Performing Arts and later graduating from Guildford School of Acting in 2013 .
Bartlett’s first on-screen role was in the short film The Crossing (2014), a humble yet promising debut that ushered in episodes on Suspects, Holby City, Doctor Who, and the WWI miniseries The Passing Bells . A memorable cameo in Midsomer Murders followed, then richer arcs in Poldark and her first international gig on Da Vinci’s Demons .
In a surprising twist, she appeared as Arya Stark in disguise—a great, blink-and-you-miss-it moment—in Game of Thrones season 6 . She followed that with a regular role as Princess Isabella in Knightfall (2017), and later landed a recurring part in Victoria season 3 as Abigail Turner (2019) .
Sabrina reached a wider audience when she portrayed opera singer Sienna Rosso in Netflix’s Bridgerton (2020). Her chemistry with Jonathan Bailey’s character made her storyline noteworthy even in an ensemble cast .
In 2021, Bartlett stepped into the role of Mariette Larkin—a spirited, horse-riding farmer’s daughter—in ITV’s The Larkins, the reboot of The Darling Buds of May . Yet behind the scenes, friction crept in. By 2022, Bartlett had exited the show; reports cite scheduling conflicts, and some mention a disagreement on set or a formal complaint she lodged, though the latter was not upheld .
On the big screen, she appeared in One Night in Bath (2024) and is filming the rom-com F— Valentine’s Day in Malta, co-starring with Marisa Tomei and others .
Off-camera, Bartlett embraced her personal triumph too—she’s engaged. Initially revealed via playful Instagram posts captioned “Lach’d In” late in 2023, she later showcased the engagement ring at the London premiere of David Attenborough’s OCEAN in May 2025, confirming her engagement to Australian businessman Lachie Stewart .
Her journey isn’t a straight upward trend, but a vivid portrait of resilience. From battling coordination issues with ballet to navigating high-stakes TV sets, she demonstrates adaptability. As one casting director remarked (ah, I wish I remembered the exact quote, but the sentiment lingers), she “brings authenticity and thoughtfulness even to fleeting scenes.”
Take Bridgerton‘s Sienna: a minor character but emotionally impactful, showing that quality of performance trumps quantity. Beyond acting choices, her agency in leaving The Larkins—even amid speculation—speaks to professional integrity.
More than a résumé, Sabrina Bartlett’s story is one of dynamic growth and real-world complexity—from West London roots and battling dyspraxia, to period dramas and Netflix fame. She skillfully balances stagecraft, screen potential, and personal choices. Whether captivating audiences with a song in Bridgerton or stepping back from conflict on set, her path is distinctive and authentic. As she heads into new projects and life chapters, it’s clear the best roles—on screen and off—are still unfolding.
Q: What was Sabrina Bartlett’s first acting role?
A: She began with the short film The Crossing in 2014, before moving into guest spots in TV dramas like Doctor Who and Holby City.
Q: Which role brought Sabrina Bartlett mainstream recognition?
A: Her portrayal of Siena Rosso in Netflix’s Bridgerton (2020) significantly boosted her international profile.
Q: Why did Sabrina Bartlett leave The Larkins?
A: Officially, scheduling conflicts were cited. Some sources also mention disagreements on set, and she reportedly lodged a complaint that ultimately wasn’t upheld.
Q: Is Sabrina Bartlett engaged?
A: Yes—she and Australian businessman Lachie Stewart quietly announced their engagement via Instagram in late 2023, revealing her ring publicly in May 2025.
Q: What upcoming projects is Sabrina Bartlett involved in?
A: She stars in the upcoming rom-com F— Valentine’s Day, currently filming in Malta, and recently appeared in One Night in Bath (2024).
Q: Where did Sabrina Bartlett train in acting?
A: She trained at Tring Park School for the Performing Arts initially and later graduated from the Guildford School of Acting in 2013.
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