Sienna Miller has given birth to her second child with partner Oli Green. The 44-year-old actress welcomed the baby, her third overall, in recent days, confirming long-awaited news after months of pregnancy speculation.
Photos and reports show Miller and Green stepping out in London with the newborn, echoing their first public appearance after their previous child’s birth.
Breaking News Details
Miller shared subtle hints of the birth through social media and close sources. The couple, who first revealed the pregnancy at the 2025 Fashion Awards, kept details private until now.
No official hospital or exact date has been disclosed, but insiders note a smooth delivery in a London facility. Miller appeared radiant in post-birth sightings, cradling the infant alongside her other children.
This marks Miller’s third child: daughter Marlowe, 13, from her prior relationship with Tom Sturridge, and a now 2-year-old daughter with Green born in late 2023.
Key Facts and Updates
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Mother’s Age and Health: At 44, Miller embraced pregnancy, telling Glamour it felt “the best” compared to her 20s and 40s experiences—free of career pressures.
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Partner’s Profile: Oli Green, 29, a model and environmental advocate, met Miller at a party in 2021; their 15-year age gap drew early scrutiny but strengthened their bond.
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Child Count: Third baby overall; second with Green. Names and gender remain private, following their pattern with the 2023 daughter.
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Pregnancy Timeline: Announced December 2025 at age 43; Miller posted bump photos on Instagram after an eight-year hiatus.
Latest sightings place the family in West London, with Green protective during outings. No complications reported as of May 11, 2026.
The above candid shot captures Miller and Green with their growing family, highlighting their low-key joy post-birth.
Relationship Background
Sienna Miller and Oli Green went public in 2022 after meeting at a Soho Farmhouse event. Their romance blossomed quickly despite the age difference—Miller was 39, Green 24.
They welcomed their first child together in early 2024, when Miller was 42, defying critics who questioned her choices. Miller addressed “mum shaming” in interviews, advocating for women starting families later.
From red carpets to quiet family hikes, the pair has built a stable life. Green, son of a property developer, shares Miller’s love for surfing and activism.
Miller’s Motherhood Journey
Miller’s first child, Marlowe, arrived in 2012 with ex Tom Sturridge, ending their engagement but co-parenting amicably. Now 13, Marlowe joins siblings in a blended family dynamic.
In her 40s, Miller reflected on easier pregnancies: “No inner turmoil about ambitions,” she said in a March 2026 interview. This birth cements her shift from Hollywood party girl to devoted parent.
Her career thrives too—recent roles in “Anatomy of a Scandal” and upcoming projects show no slowdown. Motherhood at 44 aligns with rising trends of delayed childbearing among high-profile women.
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