Sienna Miller, 43, Expecting Second Child with Oli Green, 28: See Her Baby Bump Revealed
Sienna Miller, renowned for her role in “Horizon,” is expecting her second child with Oli Green. The couple has been together since 2021. At 43, Miller is also a mother to her teenage daughter, Marlowe, from her previous relationship with ex-partner Tom Sturridge.
Sienna Miller and Oli Green’s Growing Family
Recently, Sienna disclosed her pregnancy while attending The Fashion Awards 2025. The glamorous event took place at the Royal Albert Hall in London, where she showcased her baby bump in a stunning Givenchy gown.
- Event: The Fashion Awards 2025
- Date: 2025
- Location: Royal Albert Hall, London
- Dress: Givenchy, long, white tulle gown
Fashion Choices and Public Appearances
On this occasion, Miller wore a see-through gown with a bustier neckline, complementing it with baby pink feathered heels. Her signature blonde hair was styled in messy waves, and she accessorized with long pearl earrings. Joining her was her boyfriend, Oli Green, who looked sharp in a dark gray suit.
Before this event, her last notable appearance was on October 29, where she attended a Murder Mystery Dinner to celebrate her friend’s fashion line. During that event, Miller chose to wear a long-sleeve black outfit, obscuring her baby bump.
Personal Life and Future Plans
Miller’s pregnancy journeys have been documented publicly. Her first pregnancy with Green was confirmed in August 2023 while on vacation in Ibiza. At that moment, she was photographed in a brown bikini, visibly showcasing her baby bump.
The actress has previously expressed thoughts about motherhood and family planning. In interviews, she revealed that she considered freezing her eggs at 40 due to societal pressures surrounding motherhood. She described that the existential threat of not having more children had since dissipated for her.
Both Actors, Both Talented
Oli Green, 28, is both an actor and model. He studied at the Lee Strasberg Theatre and Film Institute in New York. His notable roles include appearances in “The Mosquito Coast” and “A Good Person,” directed by Zach Braff, which features his ex-girlfriend, Florence Pugh.
Sienna has previously been in the spotlight for her high-profile relationships, including her engagement to Jude Law and a recent engagement to writer Lucas Zwirner, which ended in 2020.
As she embarks on this new chapter of motherhood, Miller embraces her growing family with excitement and grace.