Sienna Miller and Oli Green's love story and age gap are in focus as she welcomed her third child.
Sienna Miller is a prominent American-British actress and former model. She rose to fame in 2004 with roles in movies like Layer Cake (opposite Daniel Craig) and the remake of Alfie (opposite Jude Law). She also received a BAFTA Rising Star Award nomination in 2008 for her portrayal of 'Caitlin Macnamara' in The Edge of Love. Now the beloved actress is all set to star as 'Emma Marlow' in Tom Clancy's Jack Ryan: Ghost War, which will premiere on Prime Video on May 20, 2026. During a promotional event for the series, she announced a new addition to her family.
Sienna stated that she recently welcomed her third child in her 40s. It is her second baby with her current partner, Oli Green. The couple has not yet revealed the baby's name or sex, but she seemed over the moon as she shared the happy news with her fans. According to Sienna's interview with E! News, she is "madly in love" with her newborn, even though she's functioning on little sleep due to her parental duties. As the mom of three makes headlines, an interest has been sparked in her baby daddy, Oli Green. Here's everything we know about him and their big age gap.
Oli Green is a British actor and model who has been in a relationship with actress, Sienna Miller since the COVID-19 pandemic era. Oli trained at the Strasberg Theatre & Film Institute in New York and has built a career across fashion and acting. He is known for roles in popular series such as The Bold and the Beautiful, The Crown, and The Mosquito Coast, as well as films like A Good Person and Lift. According to his IMDb page, one of his first professional acting roles was alongside Kaia Gerber in John Eatherly's "Burnout" music video, released in July 2019. Oli's latest project includes his role as 'Paul Joseph' in The Gray House.
Besides his acting gigs, Oli is accomplished as a model. He has been the face of major fashion campaigns for some of the biggest global brands like Burberry, Gap, and Frame. He did shoots alongside Cara Delevingne and Suki Waterhouse. Oli was also part of a joint campaign with his girlfriend, Sienna Miller. They became the first couple to be featured in a Frame denim campaign. The actress' longtime friend and the brand's co-founder, Erik Torstensson, photographed them, as per PEOPLE.
Sienna Miller and Oli Green's relationship started after they met and shared a kiss at a mutual friend's Halloween party in late 2021, according to E! News. They began dating shortly after and were first publicly linked up in February 2022. At that time, they were spotted at a New York Knicks game, sparking rumours of a budding romance. After a month of speculations, the actors made their red carpet debut at the Vanity Fair Oscar Party in March 2022. Following the confirmation of their relationship, the couple was spotted enjoying their outdoor dates, vacations, and sporting events, such as Wimbledon in July 2023 and the French Open in June 2022.
Sienna and Oli also attended British Vogue's Fashion and Film Party, Prince's Trust Global Gala and the Glastonbury Festival together. Amid their frequent public appearances, the couple faced intense online scrutiny due to their significant age gap. The couple faced plenty of public judgment regarding their 15-year age gap. Oli was born in January 1997, and Sienna was born in December 1981, which makes her 44 and him 29 years old as of May 2026.
Sienna and Oli's first child was born in January 2024. While her exact date of birth and name have never been officially released, her sex was confirmed as female by Sienna ahead of the delivery. After two years, the couple became parents again. Sienna confirmed she had given birth to their second baby in May 2026. During an interview, she playfully remarked, "It's happened. I have a tiny baby next door." The couple has not yet shared the baby's exact date of birth, name, or sex. She also has another daughter, Marlowe Sturridge (born in 2012), whom she shares with her ex-fiancé, Tom Sturridge.
What are your thoughts on the love story between Oli Green and Sienna Miller and their age gap? Let us know.
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