Sienna Miller has welcomed her third child, her second with partner Oli Green. The actress confirmed the happy news during an interview with E! News while promoting her upcoming film 'Jack Ryan: Ghost War'. Speaking about life as a new mother again, Miller revealed, “It’s happened. I have a tiny baby next door. It feels like stringing sentences together is a bit challenging... I’m on very little sleep but I’m madly in love with my baby.”
Sienna Miller's Growing Family
Miller and her 29-year-old partner Green are already parents to a two-year-old daughter. The actress also has a 13-year-old daughter, Marlowe, whom she shares with former fiancé Tom Sturridge. The new arrival brings Miller's total number of children to three.
Red Carpet Pregnancy Reveals
The actress first revealed she was pregnant with her third child during a red carpet appearance at The Fashion Awards in December, where she showcased her baby bump at London’s Royal Albert Hall. This marked the second time Miller used a high-profile fashion event to announce a pregnancy. In September 2023, she revealed she was expecting her second child at another event, wearing a Schiaparelli ensemble that highlighted her bump.
Relationship with Oli Green
Miller has previously opened up about her relationship with Green, admitting she had not initially expected the romance to become serious. Speaking to Harper’s Bazaar, the actress said, “I didn’t expect to take it seriously and then quite quickly, I fell in love.” The couple reportedly began dating in 2021. Green, also an actor, has appeared in films and television projects, including 'A Good Person' alongside Florence Pugh and Morgan Freeman, as well as 'The Crown' with Imelda Staunton and Dominic West.
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