At 43, Actress Sienna Miller Reveals 3rd Pregnancy, Debuts Baby Bump at 2025 Fashion Awards

At the 2025 Fashion Awards in London, Sienna Miller surprised fans and the fashion world alike. The 43-year-old actress made a striking red-carpet appearance and revealed she is expecting her third child. Alongside her partner Oli Green, Miller confidently cradled her baby bump in a sheer white Givenchy gown that left little doubt: the couple are welcoming a new member to their family. This will be her second baby with Green, and her third overall.

Miller, already mother to a 13-year-old daughter with ex-partner Tom Sturridge, and a toddler with Green, embraced the moment with grace. The reveal marks a joyful new chapter in her life, blending family news with her timeless style and poise. 

The Big Reveal: When and How Sienna Shared the News

Sienna Miller, 43, is pregnant with her third baby, her second with boyfriend Oli Green, 28. She revealed her bump at the 2025 Fashion Awards. Previously, Miller, who has daughter Marlowe (13) and a 23-month-old daughter, froze her eggs due to age concerns, a decision also made… pic.twitter.com/N36ZwWVJEX

— anreads (@newyorktaxcon) December 2, 2025

At the Fashion Awards held on December 1, 2025, at London’s Royal Albert Hall, all eyes were on Miller as she stepped onto the red carpet. She wore a sheer white gown that highlighted her growing belly. The dress, floor-length and delicately styled, was a bold yet elegant declaration of her pregnancy. 

Photographers, fashion critics, and fans alike took note. Miller posed with Green, beaming, and gently placed a hand on her bump. The moment quickly made headlines, a mix of personal joy, fashion statement, and public celebration. For many, the reveal symbolised freedom, confidence, and a redefinition of maternity beauty on a high-profile platform. 

ALSO READ: Why Virat Kohli Opted for a Protein Bar While Rohit Sharma Picked Dal Chawal: How They Keep Energy Levels Balanced

Sienna Miller’s Family Journey

This upcoming baby will be Miller’s third child. She shares a 13-year-old daughter, Marlowe Sturridge, with Tom Sturridge. With Oli Green, whom she has been dating since 2022, she welcomed a daughter in early 2024. 

Now, at 43, Miller is expanding her family again, something she has spoken about openly in the past. She has admitted that turning 40 brought its own set of pressures and reflections around motherhood and fertility. She even froze her eggs to allow for more flexibility, showing how many women today balance biology, choice, and hope. Her journey is both personal and relatable, and her decision to reveal the pregnancy on her own terms has resonated with many who see it as a celebration of timing, choice, and confidence.

ALSO READ: At 26, Rapper POORSTACY Dies After a Medical Emergency, Death Cause Under Investigation

Conclusion

Sienna Miller’s third pregnancy announcement is more than a celebrity moment as it’s a celebration of life, choice, and confidence. By revealing her baby bump at such a high-profile event, she showed that parenthood at 40-plus can be embraced with grace and pride. As she and Oli Green prepare for their new arrival, their growing family reminds us that joy, hope, and agency remain timeless, no matter the age or stage.