Sienna Miller has officially become a mother for the third time. The 44-year-old actress personally confirmed the happy news while speaking to E! News, revealing that she recently welcomed another baby with her 29-year-old partner Oli Green.
The actress sounded emotional and exhausted as she spoke about life with a newborn again.
“It happened. There’s a tiny baby lying in the next room. I feel like putting sentences together has become a little harder. I barely sleep, but I’m completely in love with my baby,” she admitted.
For now, Sienna has chosen not to reveal the baby’s name or gender, keeping the newest addition to the family away from the spotlight.
Rumors about her pregnancy first exploded back in December when the actress appeared on the red carpet at the Fashion Awards 2025 with a visibly rounded baby bump. The appearance immediately sparked speculation online, although Miller herself stayed quiet at the time.
This is the couple’s second child together. Sienna and Oli Green, who have been together since 2022, already share a daughter born in 2023. Just like now, they decided to keep their child’s identity private and have never publicly revealed her name.
The actress is also mother to 12-year-old Marlowe, whom she shares with actor Tom Sturridge.
Over the years, Sienna’s personal life has often attracted almost as much attention as her acting career. One of her most talked-about relationships was with Jude Law. Their romance became headline news after reports surfaced that the actor had allegedly cheated with the nanny of his children from a previous marriage. Although the pair briefly reunited after the breakup, they eventually split for good in 2011.
Miller was also linked in the past to actor Balthazar Getty and art gallery owner Lucas Zwirner. Over the years, rumors additionally connected her to Orlando Bloom and Leonardo DiCaprio.
Now, however, the actress seems fully focused on family life as she embraces motherhood once again — this time with a newborn at home and almost no sleep.
