Sienna Miller met the actor Oli Green at a Halloween party thrown by a mutual friend, but it wasn’t exactly love at first sight.
“I was like, ‘This is ridiculous. This is going nowhere,'” she said British Vogue in December 2023. “He worked hard to persuade me to go out drinking with him.”
Miller has dated before Jude Law He continued to close from 2004 to 2011. He continued Tom SturridgeHe dated her from 2011 to 2015. The couple welcomed daughter Marlowe in July 2012.
After Miller contacted Green, Emily Blunt are slated for one of their New York City dates in early 2022. Blunt told British Vogue that he sees “a lot” of his longtime friend in Green, especially “that free, curious, guileless thing that he has.”
The couple first appeared on the red carpet in March 2022. One year later, it was reported that Miller is pregnant with the couple’s first child together. I Daily Mail confirmed in January 2024 that she had a baby girl. Miller revealed she is pregnant with her second child with Green at the British Fashion Awards in December 2025.
Keep scrolling to look back at the complete timeline of Miller and Green’s relationship:
February 2022
Miller and Green were first linked after they were spotted on a date in New York City.
March 2022
The couple were spotted leaving the Royal Albert Hall together in London after the BAFTAs. Later that month, Miller and Green made their relationship red carpet official at the Vanity Fair Oscar Party in Beverly Hills.
April 2022
Miller revealed to him Elle UK that she chose to freeze her eggs when she turned 40. He said the compression of his live timeline was “really loud.”
“The biological sciences were incredibly cruel to women in that decade – that subject, at least for me,” she explained. “Then I hit 40 and I froze some eggs. Since I was focused on the need to have another child, I was like, if it happens, it happens. That kind of threat is gone.”
August 2023
A month after sparking pregnancy rumors in St. Tropez, Miller showed off her growing bump while wearing a bikini while on vacation in Ibiza.
September 2023
Miller showed off her baby bump in an ivory Schiaparelli ensemble while attending the Vogue World: London event.
December 2023
Miller graced the cover of British Vogue At 28 weeks pregnant she also opened up about her relationship with Green. At the time, the couple had just moved into their own place after staying at Green’s parents’ home in West London.
“I don’t think you can legislate on matters of the heart,” he said, referring to his 14-year age gap with Green. “Of course I never knew.”
January 2024
News broke that Miller had given birth to their baby girl.
May 2024
Miller reflected on her vacation with Green to the Maldives, revealing that the babymoon was their first trip as a couple. “When Oli and I were preparing for the trip, we realized that we had never really been on vacation, just the two of us, in our entire relationship,” he wrote in an essay written for him. The Sunday Times. “So it was really magical to have that time together, thinking about each other and the baby that was coming.”
June 2024
“I didn’t expect to take it seriously,” Miller said Harper’s Bazaar in the early days of her romance with Green. “And then very quickly, I fell in love.”
Miller recalled being surprised by Green’s age when they met. “I didn’t want to say, ‘I’m going to get a younger boyfriend,'” she recalled. “It was more like, ‘F–k! Why are you so young? That’s offensive.'”
Looking back, the actor said their 14-year gap was actually good. “There is a difference in the way that generation of men respects women,” added Miller. “It’s directed at him, he’s very smart and smart, but I believe it’s that generation. They grew up with a higher level of playfulness. I see it in his female friends as well as male friends.”
December 2025
Miller showed off her bump at the British Fashion Awards in December 2025, revealing that she and Green are expecting their second child.
May 2026
Miller said E! News that she and Green welcomed their second child.
“It’s done,” he told the outlet. “I have a little kid next door. It sounds like putting sentences together is a challenge. I don’t sleep much, but I’m crazy about my kid.”
