Sienna Miller Welcomes Baby No. 3, Her 2nd With Boyfriend Oli Green
The actress said the newborn makes her family of five after she and Green announced a pregnancy late last year.
- British actress Sienna Miller announced the birth of her third child, her second with boyfriend Oli Green, in an interview with E! News.
- Miller co-parents daughter Marlowe, 13, with ex-fiancé Tom Sturridge and shares a 2-year-old daughter with Green, creating a blended family of five.
- Balancing motherhood with her career, Miller is set to star in Jack Ryan: Ghost War, a Prime Video series premiering May 20.
- The 44-year-old told Glamour that being pregnant in her 40s is "so much easier" because her life is now in a "more grounded space."
- In the series, Miller portrays MI6 officer Emma Marlowe, describing the role as "thrilling" and a departure from her previous screen work.
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It is the second common child for Miller and her boyfriend, actor Oli Green (29, "The Gray House").
Sienna Miller has given birth to her third child, her second with partner Oli Green.
Sienna Miller Welcomes Third Child at 44 Years Old: ‘It’s Happened!'
Photo Credit: Stephane Cardinale - Corbis/Corbis via Getty Images Sienna Miller is officially a mom of three. While promoting her upcoming movie, Tom Clancy’s “Jack Ryan: Ghost War,” the actress shared that she recently gave birth to her third child and second baby with boyfriend Oli Green. Miller also spoke about the new addition during an interview, even admitting sleep has been hard to come by since the baby arrived. Sienna Miller and Oli Gre…
This Monday, May 11, 2026, Sienna Millier announced the birth of her third child in an interview given to E! News. She is the second child of the 44-year-old star with her companion Oli Green.
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