Actress Sienna Miller and her partner, the acclaimed model and actor Oli Green, are reportedly engaged, a development confirmed by Miller's representative to Vogue. Their journey together, which began in 2021, has blossomed, leading to the birth of two children in December 2023 and May 2026. Miller is also a mother to 13-year-old Marlow, shared with actor Tom Sturridge.

Sienna Miller and Oli Green Take the Next Step

The romantic narrative of Sienna Miller and Oli Green traces back to a Halloween gathering hosted by a mutual acquaintance, where their paths first intertwined. Miller, initially skeptical about the prospects of a lasting relationship after an early kiss, recalled her initial hesitation to Vogue. She recounted her thoughts, saying, "This is absurd. This won't lead anywhere." However, Green's persistence prevailed, eventually convincing her to go on a date. In a charming twist, Miller invited her close friend, actress Emily Blunt, to join one of their initial outings in the vibrant city of New York. Blunt reminisced about witnessing the undeniable connection between the two, stating, "When I got there, it was so beautiful between them. I just gave her a hug and went, ‘I’m going to slip away.’" A pivotal moment in their burgeoning romance occurred when both Miller and Green contracted Covid-19, leading them to cohabitate for a week, an experience Miller noted as having "fast-tracked intimacy."

Emily Blunt further elaborated on the deep compatibility between Miller and Green, observing that Green embodies many of Miller's free-spirited, curious, and sincere qualities. "He's the kind of guy you could just bring anywhere, and everyone would love him," Blunt remarked. She also highlighted Miller's long-held desire for a larger family, expressing her delight that Miller found the ideal partner in Green. As the couple now prepares to embark on this significant new chapter, their friends and fans celebrate their enduring love and commitment.