Sienna Miller has given fans a rare glimpse into her relationship with fiancé Oli Green, sharing a series of intimate photographs to celebrate his 30th birthday.
The actress, who is 15 years older than her partner, posted several pictures from the celebration, including one particularly romantic moment that attracted attention.
In the photograph, Green, dressed in a light olive-colored jacket over a white shirt, leans in to kiss Miller.
The actress kept her birthday tribute simple, accompanying the photographs with a short message: “Happy Birthday.”
The couple’s relationship began in late 2021, and according to reports, they first met at a Halloween party.
At the time, Sienna was 39, while Oli was just 24. Their significant age difference initially made the actress uncertain about whether the romance could develop into something serious.
Miller later admitted in an interview that she had doubts about the relationship in the beginning and struggled to imagine a long-term future with someone so much younger.
However, their romance continued to grow stronger, and the couple eventually started a family together.
In January 2024, Sienna and Oli welcomed their first daughter. Their family expanded again in May 2026 with the arrival of their second child.
The actress is now a mother of three and has spoken openly about the physical changes she experienced following her pregnancies.
After several years of pregnancy and breastfeeding, Miller admitted that she sometimes found it difficult to choose clothes that suited her changing figure, particularly because of changes to her bust.
Despite those challenges, the Hollywood star appears happy in her personal life, occasionally sharing special moments with her younger partner.
Her latest birthday photographs offer another affectionate glimpse into their relationship, showing how a romance she initially questioned has developed into a lasting family bond.
