Sienna Miller revealed she was expecting her third child at the Fashion Awards last night when she rocked up in a sheer Givenchy dress, which showcased her blossoming bump
09:14, 02 Dec 2025Updated 11:06, 02 Dec 2025
Sienna Miller sent fans into a frenzy when she revealed she was expecting her third child(Image: Corbis via Getty Images)
Sienna Miller sent fans into a frenzy last night when she revealed she was expecting her third child. The actress, 43, made sure all eyes were on her when she rocked up at the Fashion Awards in London, sporting a a sheer Givenchy dress, which showcased her blossoming bump – and underwear.
The Foxcatcher star, who is expecting her baby with boyfriend Oli Green, 28 – with whom she also shares a daughter, two – looked radiant in the ethereal white ensemble, which featured a sheer lace skirt and a bra top.
Sienna wore her long blonde hair loose, in beachy waves and complimented the look with blush-feathered shoes, large dangly earrings, silver nails, and show-stopping makeup from her pal, Charlotte Tilbury.
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Sienna Miller revealed she was expecting her third child at the Fashion Awards(Image: Getty Images for BFC)
The actress with her boyfriend, Oli Green(Image: Corbis via Getty Images)
It’s not the first time Sienna has unveiled her pregnancy in show-stopping style. In 2023, the actress, who also shares a daughter, Marlowe, 12, with actor, Tom Sturridge, announced she was expecting her second child.
Sienna walked the red carpet at London’s Theatre Royal Drury Lane at the star-studded Vogue World show in a Schiaparelli puffball skirt and a cropped shirt which showcased her baby bump.
The brand’s creative director Daniel Roseberry said at the time it was an ‘honour’ to be part of such a special announcement.
Sienna met Oli four years ago and admitted that initially their 15-year age gap was an issue. Speaking about he boyfriend, she told Harper’s Bazaar: “I didn’t expect to take it seriously and then quite quickly, I fell in love. I wasn’t like, “I’m gonna get a younger boyfriend.” It was more, “F***! Why are you young? That’s so annoying.”
“There is a difference in the way that generation of men respect women. It’s specific to him, he is very wise and well-adjusted, but I do believe it’s also that generation.”
She looks incredible!(Image: Gareth Cattermole/Getty Images f)
Sienna revealed she was expecting her second child in this show-stopping outfit in 2023(Image: Alan Chapman/Dave Benett/Getty I)
In a December 2023 interview with Vogue, the actress opened up about some of the unwanted attention that comes with having children in your forties.
Sienna said: “I’d love to get to a point where I didn’t feel the need to make a joke of my being older and having a baby. To show I’m in on the joke.”
In a video filmed for the publication, the Factory Girl star revealed that the pregnancy was an unplanned one, as she prepared to become a mother for the second time, then aged 41.
She revealed: “I was very fortunate. I wasn’t necessarily trying to get pregnant. This happened as a total surprise and biologically was something I was able to do.”
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