Sienna Miller Pregnant Third Time at Fashion Awards London

Sienna Miller revealed her third pregnancy at age 43. This is her second child with partner Oli Green.

New Arrival Confirmed

Actress Sienna Miller, 43, is expecting her third child, her second with partner Oli Green. The news became public on December 1st, 2025, when Miller appeared at the British Fashion Awards in London. She was seen wearing a sheer white gown, prominently displaying her baby bump.

Sienna Miller Welcomes Baby No. 3, Her 2nd With Oli Green - 1

This marks the couple's second child together. They are already parents to a daughter, who is nearly two years old. Miller also has an older daughter, Marlowe, 13, from a previous relationship with actor Tom Sturridge.

Sienna Miller Welcomes Baby No. 3, Her 2nd With Oli Green - 2

Past Considerations on Motherhood

Miller has previously spoken about her decisions regarding family expansion. In 2023, she discussed freezing her eggs at age 40, citing concerns about "cruel biology" faced by women after 40. She indicated a desire to have more children, but also noted a focus on her career and not having yet met the right partner. The actress had previously admitted that her older daughter, Marlowe, needed time to adjust to becoming an elder sibling.

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Sienna Miller Welcomes Baby No. 3, Her 2nd With Oli Green - 3

Public Reaction and Style Statements

Miller's public appearances, particularly during her pregnancies, have drawn attention for their fashion choices. Her choice of a sheer gown at the Fashion Awards was noted as a continuation of her distinctive style in maternity wear, defying conventional expectations. Her approach to pregnancy fashion has been described as influencing trends.

Sienna Miller Welcomes Baby No. 3, Her 2nd With Oli Green - 4

Background Context

The public announcement came amid coverage from various news outlets, including USA Today, People, The Economic Times, Vogue France, E! Online, Jang.com.pk, Hello! Magazine, CNN, and Us Weekly. The reports, published around December 1st and 2nd, 2025, all confirmed the pregnancy and highlighted Miller's age, her relationship with Green, and her existing family. Miller, known for her roles in films like "Layer Cake" and "Burnt," has been a consistent figure in celebrity news.

Frequently Asked Questions

Q: Who is Sienna Miller and what is the big news?
Sienna Miller, a 43-year-old actress, revealed she is pregnant with her third child. This is her second child with her partner, Oli Green.
Q: When and where did Sienna Miller announce her pregnancy?
She announced her pregnancy on December 1st, 2025, at the British Fashion Awards held in London. She wore a sheer white gown that showed her baby bump.
Q: How many children does Sienna Miller have now?
Sienna Miller is now expecting her third child. She has an older daughter named Marlowe, aged 13, from a past relationship, and a younger child, almost two years old, with Oli Green.
Q: What did Sienna Miller say about having children before?
In 2023, Sienna Miller talked about freezing her eggs at age 40 because she worried about not being able to have more children later. She wanted more kids but also focused on her career and finding the right partner.