

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.
Who is Sienna Miller’s boyfriend, Oli Green?


