Who Is Sienna Miller's Boyfriend? All About Oli Green

Mar. 15, 2025

Get to knowSienna Miller’s boyfriend, Oli Green.

The couple, who have been linked since February 2022,share one child, whom they welcomed roughly two years into their relationship.

Miller and Green confirmed their romance when they were seenleaving the 2022 BAFTA Film Awardstogether. But they didn’t make their red carpet debut until March 2022 at theVanity FairOscar Party.

Before dating Green, Miller was in a relationship with actorTom Sturridgefrom 2011 to 2015. Together, they welcomed one child, daughterMarlowe Sturridge, in July 2012.

Here’s everything to know about Miller’s boyfriend, Oli Green.

He studied acting

David M. Benett/Dave Benett/Getty

Oli Green and Sienna Miller attend The Eternity Charity Fundraiser hosted by Lola Bute in support of Action On Addiction, James' Place, Place2Be and Grow at Alva Coachworks

Green works in the entertainment industry as an actor. His career began after studying at the Strasberg Theatre & Film Institute in New York.

According to hisIMDb, one of his first professional acting gigs was alongsideKaia GerberinJohn Eatherly’s “Burnout” music videoreleased in 2019.

The actor has also appeared in episodes ofThe Bold and the Beautiful,The Mosquito Coast,A Good PersonandThe Crown.

He’s an accomplished model

Cara Delevingne, Oli Green and Sienna Miller attend The Eternity Charity Fundraiser hosted by Lola Bute in support of Action On Addiction, James' Place, Place2Be and Grow at Alva Coachworks

In addition to acting, Green has a thriving modeling career and has worked with some of the biggest brands in the fashion industry.

He has appeared in numerous Burberry campaigns, including shoots alongsideCara DelevingneandSuki Waterhouse. In 2017, he was featured as the face ofGap’s “I Am” campaign.

In February 2025, Green and Miller became the first couple to be featured in aFrame denimcampaign. The actress' longtime friend and the brand’s co-founder, Erik Torstensson, photographed them.

He and Miller made their red carpet debut in 2022

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Sienna Miller and Oli Green attend the 2022 Vanity Fair Oscar Party hosted by Radhika Jones at Wallis Annenberg Center for the Performing Arts

Green and Miller made their red carpet debut at theVanity FairOscar Partyin March 2022.

Since then, they’ve been spotted alongside each other at various events includingBritishVogue’s Fashion and Film Party, Prince’s Trust Global Gala and the Glastonbury Festival — in addition to enjoying each other’s company on vacations and at sporting events.

He’s a fan of tennis

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Oli Green and Sienna Miller attend the All England Lawn Tennis and Croquet Club

Among the sporting events Green has attended with Miller include major tennis tournaments, such as Wimbledon in July 2023 and the French Open in June 2022. They were photographed sitting next to each other at each, cheering and showing PDA while in the stands.

He keeps his personal life pretty private

Sienna Miller and Oli Green attend ‘The Alchemist’s Feast’, the inaugural summer party & fundraiser for the National Gallery’s Bicentenary campaign

Although Green is in the public eye as a model and actor — in addition to dating a high-profile model and actress — he keeps details of his personal life pretty private. Much of the content he posts onsocial mediais work-related.

He and Miller have a child together

He and Miller are 15 years apart in age

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Oli Green (L) and Sienna Miller

During an interview withHarper’s Bazaarin June 2024, Miller opened up about falling in love with a younger man.

“Quite quickly, I fell in love. I wasn’t like, ‘I’m gonna get a younger boyfriend.’ It was more, ‘F–k! Why are you young? That’s so annoying,’ " she told the outlet, adding that Green is “very wise” for his age. “There is a difference in the way that generation of men respect women.”

source: people.com