Looks like “Bridgerton” has a real-life love story stealing the spotlight; and no, there’s no scandal this time. Sabrina Bartlett, who fans will remember as opera singer Sienna Rosso in Season 1, made waves at the London premiere of “OCEAN” on May 6, 2025 not for her on-screen drama, but for flashing a stunning diamond ring that confirmed what eagle-eyed fans suspected: she’s officially engaged.
@sabrinabartlett (Instagram)According to People, after months of keeping things more private, Bartlett made it red carpet official with her fiancé, Australian businessman Lachie Stewart, and the couple looked straight out of a modern period drama… minus the corsets and powdered wigs.
The Instagram Soft Launch That Turned Serious
Bartlett subtly introduced Stewart to her followers back in October 2023, dropping sun-drenched vacation photos from Crete that hinted something romantic was brewing.
Then came the big moment. In December 2024, Bartlett posted a photo carousel on Instagram featuring the two of them, plus a crystal-clear shot of her oval-cut diamond ring (it’s on slide two). The caption? “Lach’d In 💍🥰🔒.” Cute, casual, and undeniably official.
That single post confirmed what fans were already whispering: a proposal had happened—and it was beautifully understated.
A few scrolls later, she also posted cozy Christmas-in-Australia snaps with Stewart, confirming that yes, things were serious and yes, she was spending the holidays down under.
A New Chapter, On and Off Screen
Before she was stealing hearts (and scenes) in “Bridgerton,” Sabrina Bartlett was popping up in pretty much every British period drama you can think of. She had a quick but memorable moment in “Game of Thrones” (yep, she sparred with Arya), played Princess Isabella in “Knightfall,” and brought some sass to “Poldark” as Abigail Turner. She also took on the lead role of Mariette in ITV’s “The Larkins,” a modern reboot of “The Darling Buds of May,” proving she’s got the range, whether it’s corsets, countryside charm, or full-blown royal chaos.
Now Bartlett’s love life isn’t the only thing heating up. She’s currently filming a new romantic comedy, “F— Valentine’s Day,” in Malta. The movie boasts a stacked cast (Marisa Tomei, Virginia Gardner, Jake Cannavale, Skylar Astin, Natasha Leggero, and Lil Rel Howery) and it sounds like just the kind of witty, chaotic rom-com that’ll give Valentine cynics something to love.
With a sparkling ring, a dreamy fiancé, and a star-studded film in the works, Sabrina Bartlett is clearly booked and blissful. While her “Bridgerton” character didn’t exactly get the fairytale ending, real life seems to be treating the actress much better.
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‘Bridgerton’ Star Shows Off Ring After Quiet Engagement