Oli Green

Oli Green is the 29-year-old boyfriend of actress Sienna Miller. He is newsworthy because Miller, 44, recently announced she is pregnant with their child, her third. News articles highlight Miller's reflections on motherhood in her 40s, contrasting it with her experiences in her 20s and 30s. The pregnancy was initially revealed at the Fashion Awards in December 2025, where Miller appeared with a visible baby bump. She has since shared a photo on social media confirming the pregnancy. The relationship and pregnancy are relevant due to the age gap between Miller and Green, and Miller's commentary on the societal expectations surrounding motherhood at different ages, sparking discussions about the timing of parenthood.