Sienna Miller’s 7 Most Jaw-Dropping Pictures Of 2025: From Sheer Red Carpet Reveal To Boho-Chic Comeback

The year 2025 has cemented Sienna Miller’s status as a timeless fashion icon and a powerhouse actress, delivering some of the most talked-about images of her career. Her return to the red carpet has been nothing short of spectacular, highlighted by a stunning, almost-nude pregnancy reveal that immediately went viral and dominated headlines globally in December 2025. This article dives deep into the most recent, must-see pictures and the fresh, updated details of her life and career, from her highly publicized relationship with Oli Green to her major upcoming film and television projects.

For those following the British-American star, the latest pictures capture a woman embracing a new era of personal and professional confidence. The images from her recent appearances showcase a sophisticated evolution from her famed 2000s boho-chic aesthetic, blending high-fashion drama with her signature effortless cool, proving she remains a pivotal figure in both the film and fashion worlds today.

Sienna Miller: Updated Biography and Profile

Sienna Rose Diana Miller is an American-British actress, model, and fashion designer whose career spans over two decades, transitioning from a celebrated 'It Girl' to a critically acclaimed performer.

• Full Name: Sienna Rose Diana Miller
• Date of Birth: December 28, 1981
• Age: 43 (as of December 2025)
• Place of Birth: New York City, New York, U.S.
• Nationality: American and British
• Parents: Edwin Miller (American art dealer/former banker) and Jo Miller (South African model/yoga instructor)
• Early Career: Began as a photography model, notably for Italian Vogue and the 2*Pirelli Calendar*.
• Breakthrough Roles: Alfie (2004), Factory Girl (2006), The Edge of Love (2008).
• Recent Notable Roles: American Sniper (2014), Anatomy of a Scandal (2022), Extrapolations (2023).
• Partner: Oli Green (actor/model, since early 2022)
• Children: Marlowe Sturridge (born 2012, with Tom Sturridge); a daughter (born 2023, with Oli Green); currently pregnant with her third child (second with Oli Green).

The Iconic 2025 Fashion Awards Pregnancy Reveal

The pictures that have truly defined Sienna Miller’s 2025 are those taken on the red carpet of the Fashion Awards in London. After a period of relative quiet, the actress made a spectacular return to the public eye, using the prestigious event to debut her third pregnancy in a breathtaking fashion statement.

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A Sheer, Unapologetic Moment

The most viral images capture Miller in a custom, sheer, lingerie-style gown that left little to the imagination, boldly showcasing her blossoming baby bump. The dress, a striking piece of couture, was praised for its unapologetic celebration of the female form and maternity.

This deliberate choice of attire—paired with simple white underwear—was a powerful subversion of traditional red carpet maternity wear, instantly generating a massive buzz across social media and fashion publications. The pictures are a testament to her enduring confidence and willingness to push boundaries, echoing the rebellious spirit of her early career.

The Oli Green Joint Appearance

The red carpet moment was made even more significant by the presence of her partner, actor and model Oli Green. Pictures of the couple together—with Green, 15 years her junior, looking on proudly—further amplified the news, confirming they are expecting their second child together. Their joint appearance highlighted the intimacy and strength of their relationship, making the Fashion Awards one of the most memorable public appearances of the year.

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Sienna Miller’s Style Evolution: From Boho Chic to Modern Muse

Sienna Miller’s visual history is intrinsically linked to her groundbreaking fashion sense. The recent 2025 pictures underscore a fascinating style evolution that has seen her move from the free-spirited 'boho chic' pioneer of the early 2000s to a sophisticated, high-fashion muse.

The Enduring Legacy of Boho Chic

Pictures from the 2000s defined an entire generation’s fashion landscape. Images of Miller in peasant skirts, fringed waistcoats, oversized belts, and Ugg boots epitomized the 'It Girl' aesthetic. This period established her as a trendsetter, a reputation that still informs her current choices.

2025: The Age of Sophistication and Boldness

The latest photographs, especially those from the 2025 awards circuit, show a masterclass in modern dressing. Her current style embraces sharp tailoring, bold silhouettes, and a playful use of sheer fabrics and cutouts, as seen at the Fashion Awards.

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• Couture Moments: She has consistently chosen avant-garde pieces from designers like Schiaparelli, showcasing her deep connection to the fashion industry.
• Street Style: Even her casual street style pictures in 2025 reflect a refined version of her old self—still effortless, but with a focus on quality denim (like her recent Frame campaign) and elevated basics.

Upcoming Projects: Film, TV, and Fashion in 2025

Beyond the stunning red carpet pictures, Miller has been busy with a number of high-profile professional ventures that solidify her standing as a major acting talent.

Big Screen and Streaming Roles

Fans are eagerly anticipating her role in the upcoming comedy-drama film, My Mother's Wedding, which is slated for a 2025 release. In the film, Miller stars alongside Scarlett Johansson and Emily Beecham as one of three sisters, showcasing her versatility in a lighter, yet heartfelt, role.

On the small screen, she is set to lead the cast of the HBO legal thriller series, War, a project that promises to be a gripping return to the intense drama she excelled at in Anatomy of a Scandal. These pictures from the production sets and promotional events will undoubtedly be the next wave of must-see images.

The FRAME Campaign with Oli Green

In a unique professional collaboration, Sienna Miller and Oli Green starred together in the FRAME Spring 2025 denim campaign. The pictures from this campaign are intimate and stylish, capturing the couple’s natural chemistry and further blending their professional and personal lives. This joint project provided a different, more casual set of images compared to the high-glamour red carpet shots, offering fans a glimpse into their life as a celebrity couple.

The pictures of Sienna Miller from 2025 are more than just photographs; they are markers of an artist and mother confidently navigating her career and personal life under the global spotlight. From her bold Fashion Awards look to her exciting new film projects, she continues to capture the world's attention, proving that her reign as a style and screen icon is far from over.