In the ever-evolving world of celebrity fashion, few couples have captured the public’s imagination quite like Sienna Miller and Oli Green. Their seamless blend of personal style and public appearances has made them the quintessential “It couple” of 2025.
From coordinated denim ensembles to candid moments of affection, Miller and Green have become synonymous with modern romance and sartorial elegance.
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A Modern Love Story
Meeting and Early Days
Sienna Miller and Oli Green’s paths first crossed at a Halloween party in 2021, a chance encounter that would spark a whirlwind romance. Despite their 14-year age difference—Miller being 43 and Green 28—the couple’s connection was immediate and undeniable.
Miller has spoken candidly about their age gap, emphasizing that their relationship is built on mutual respect and genuine affection
Public Debut and Growing Affection
Their relationship became public in early 2022 when they were spotted together at various events, including the Vanity Fair Oscar Party. Since then, they’ve been inseparable, attending fashion shows, music festivals, and even sporting events like Wimbledon and the French Open . Their shared interests and complementary personalities have made them a favorite among fans and fashion enthusiasts alike
Expanding Their Family
In January 2024, Miller and Green welcomed their first child together, a daughter, adding a new chapter to their love story . Miller, already a mother to 11-year-old Marlowe from her previous relationship, embraced motherhood once again, balancing her career and personal life with grace.
Denim: The Fabric of Their Style
Coordinated Campaigns
In February 2025, Miller and Green were featured in Frame’s Spring campaign, marking the first time the brand showcased a couple in their advertisements. Photographed in intimate settings by Frame co-founder Erik Torstensson, the duo donned coordinating denim outfits, highlighting the versatility and timeless appeal of the fabric .
Street Style and Shared Wardrobe
Beyond professional engagements, Miller and Green have been spotted in semi-coordinated outfits during their daily outings. In November 2023, they were seen in New York City, with Miller wearing an oversized camel suit and Green sporting a khaki-toned Frame denim jacket—interestingly, the same jacket Miller had worn days earlier at a Frame event . This playful exchange of clothing underscores their shared fashion sensibilities and the blending of their personal styles.
Family Fashion Moments
Their coordinated fashion extends to family outings as well. In April 2024, Miller, Green, and Marlowe attended Savannah Miller’s Bridal Ballerina Breakfast event in London, all dressed in denim. Miller wore a denim trench coat, Marlowe sported slouchy denim trousers and a gray-brown blazer, while Green complemented them with a brown suede jacket and a white T-shirt
Career and Background
Oli Green is a multifaceted talent, excelling both as an actor and a model. He began his acting journey at the Lee Strasberg Theatre & Film Institute in New York and has appeared in various television shows, including The Mosquito Coast, The Crown, and A Good Person . In addition to his acting career, Green has modeled for renowned brands like Burberry and Gap, establishing himself as a prominent figure in the fashion industry
Personal Life and Privacy
Despite his public persona, Green maintains a relatively private life. He keeps his social media content primarily work-related, offering glimpses into his professional endeavors rather than his personal life . This preference for privacy adds an air of mystery to his character, contrasting with the often overshared lives of many celebrities.
Frequently Asked Question
How did Sienna Miller and Oli Green meet?
They met at a Halloween party in 2021, a chance encounter that led to a blossoming romance
What is the age difference between Sienna Miller and Oli Green?
There is a 14-year age gap, with Miller being 43 and Green 28
When did they make their relationship public?
Their relationship became public in early 2022 when they were seen together at various events, including the Vanity Fair Oscar Party
Do they have children together?
Yes, they welcomed their first child, a daughter, in January 2024.
Have they worked together professionally?
Yes, they were featured in Frame’s Spring 2025 campaign, marking the first time the brand showcased a couple in their advertisements.
What is Oli Green’s background?
Green is an actor and model who studied at the Lee Strasberg Theatre & Film Institute in New York. He has appeared in various television shows and modeled for renowned brands like Burberry and Gap.
How do they coordinate their fashion?
They often wear matching or complementary outfits, both professionally and in their daily lives, showcasing a shared sense of style.
Conclusion
Sienna Miller and Oli Green exemplify a modern couple that seamlessly blends love, family, and fashion. Their coordinated denim looks have become emblematic of their shared style, while their public appearances reflect a deep connection and mutual respect. As they continue to navigate their personal and professional lives, Miller and Green remain a beacon of contemporary romance and sartorial elegance.
