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We’re excited to share that actress Sienna Miller is expecting her third child marking a new chapter in her life at 43. She revealed the news publicly during the 2025 Fashion Awards at London’s Royal Albert Hall on December 1. That reveal came in the form of a sheer white gown that highlighted her baby bump a statement both personal and fashion-forward.
This will be her second child with partner Oli Green. Her growing family continues to evolve, bringing joy and renewed interest from fans and media alike.
Quick Facts Table
| Detail | Information |
|---|---|
| Actress | Sienna Miller (age 43) |
| Partner | Oli Green (age 28) |
| Current Pregnancy | Baby No. 3, second child with Green |
| Children | Marlowe (13, with Tom Sturridge), Daughter (born late 2023 with Green) |
| Pregnancy Reveal | 2025 Fashion Awards, December 1, London |
Credit: Mike Marsland/WireImage
The Big Reveal, When and Where Miller Confirmed Pregnancy
Miller confirmed her pregnancy at the 2025 Fashion Awards in London. She walked the red carpet wearing a sheer white gown by Givenchy that elegantly showcased her baby bump.
The bold appearance turned heads and made headlines globally, reflecting a trend of using major public events to share personal milestones. Public reveals like this also underscore how celebrities manage privacy and publicity turning a media-laden night into a personal announcement.
Millie Turner / Invision / AP
Family Update, Who’s in the Growing Miller-Green Household
Miller currently has two daughters and is now expecting a third child.
- Her eldest, Marlowe Sturridge, is 13. She is from Miller’s previous relationship with actor Tom Sturridge.
- Her second daughter Miller’s first with Green was born in late 2023.
This upcoming baby will be the couple’s second together, and Miller’s third overall.
Miller and Green have been together since 2022.
Why It Matters
Bringing a new baby into a blended family with children across different ages will present new dynamics. Marlowe will step into a big-sister role, while the younger child will soon gain a sibling close in age. That can shape family life profoundly from daily routines to emotional adjustments but can also bring renewed closeness and support among siblings.
Miller’s Journey, From Fertility Decisions to Celebrating Motherhood
Miller has spoken candidly about aging, fertility, and social pressures on women. In 2022 she revealed she froze her eggs as she approached her 40s.
She acknowledged the pressures many women face about motherhood after 40, calling the experience “a really loud noise.”
Miller later described her second pregnancy (her first with Green) as “a total surprise.”
Her new pregnancy signals a turning point: a release from past anxieties and a embrace of motherhood regardless of age. For women watching, especially those considering parenthood later in life, Miller’s path highlights possibility, hope, and resilience.
Credit: Lucy North/PA Images via Getty
Public Reaction and Cultural Resonance
Miller’s announcement sparked wide media attention. From fashion blogs to entertainment outlets, the news dominated headlines.
Her choice of a bold red-carpet reveal blending glamour with vulnerability also reignites discussions on how celebrities manage parenting announcements. It prompts broader conversations about motherhood, aging, and societal expectations.
The moment transcends personal news: it becomes a cultural conversation about age, love, and family evolution in modern times. Don’t miss our recent post about Ruth Codd of Celebrity Traitors Recovering After Second Leg Amputation.
Bottom Line
Sienna Miller’s pregnant-with-baby-No. 3 announcement is more than a celebrity update, it’s a celebration of motherhood, modern family resilience, and defying societal expectations. Her choice to reveal the news publicly during a glamorous event reflects confidence and agency. For many women, her journey may resonate deeply, offering hope and affirmation that parenthood can come at any stage. We look forward to following her journey as she embraces this new chapter.
Disclaimer:
All information in this article is based on publicly available reports. Details about Sienna Miller, her pregnancy, and related events may change as new updates are released.
