What Happened to Sienna Miller?
Sienna Miller, the British-American actress, model, and fashion designer, has maintained a prominent career in film and television while navigating significant public scrutiny. In recent years, she has expanded her family, welcoming her third child in May 2026, and continues to take on diverse acting roles, including the upcoming HBO/Sky series "War" and the film "Tom Clancy's Jack Ryan: Ghost War."
Quick Answer
Sienna Miller recently welcomed her third child in May 2026, her second with partner Oli Green, adding to her family which includes a daughter born in January 2024 and her eldest daughter, Marlowe. Professionally, she is set to star in the legal thriller series "War" for Sky and HBO, with filming concluding in early 2026, and the film "Tom Clancy's Jack Ryan: Ghost War" which is scheduled for release in May 2026. She also appeared in "My Mother's Wedding," released in the US in August 2025 and in the UK in May 2026.
📊Key Facts
📅Complete Timeline18 events
Screen Debut in 'South Kensington'
Sienna Miller made her screen debut in the romantic comedy 'South Kensington' and had early roles in TV series like 'Bedtime' and 'Keen Eddie'.
Breakthrough with 'Layer Cake' and 'Alfie'
Miller achieved her breakthrough with roles in the films 'Layer Cake' and 'Alfie', which also brought her significant public attention due to her relationship with co-star Jude Law.
Stars as Edie Sedgwick in 'Factory Girl'
She portrayed socialite Edie Sedgwick in the biographical film 'Factory Girl', a role that further established her acting credentials.
BAFTA Rising Star Award Nomination
Miller was nominated for the BAFTA Rising Star Award, recognizing her growing talent and impact in the film industry.
Brief Sabbatical Amid Tabloid Scrutiny
Following her role in 'G.I. Joe: The Rise of Cobra', Miller took a brief hiatus from the screen due to intense tabloid scrutiny of her personal life.
Phone Hacking Scandal Settlement
Miller was awarded £100,000 in damages in the phone-hacking scandal involving News of the World, highlighting the invasive nature of tabloid journalism.
Golden Globe & BAFTA Nomination for 'The Girl'
She received critical acclaim and nominations for a Golden Globe and BAFTA Television Award for Best Actress for her role as Tippi Hedren in the TV film 'The Girl'.
Welcomes First Daughter, Marlowe
Miller gave birth to her first daughter, Marlowe Ottoline Layng Sturridge, with then-partner Tom Sturridge.
Critically Acclaimed Roles in 'Foxcatcher' and 'American Sniper'
She starred in two Oscar-nominated films, 'Foxcatcher' and 'American Sniper', further cementing her critical recognition.
Begins Dating Oli Green
Miller began a romantic relationship with actor and model Oli Green.
Welcomes Second Child
Miller and Oli Green welcomed their first child together, a daughter whose name has not been publicly disclosed.
Release of 'My Mother's Wedding' (US)
The film 'My Mother's Wedding', starring Miller alongside Scarlett Johansson and Kristin Scott Thomas, was released in the United States.
Filming Begins for HBO/Sky Series 'War'
Principal photography commenced in London for the legal thriller series 'War', starring Miller and Dominic West, with a two-series commitment.
Announces Third Pregnancy at Fashion Awards
Miller publicly revealed her third pregnancy, her second with Oli Green, at The Fashion Awards 2025 in London, wearing a sheer Givenchy gown.
Filming Concludes for 'War' Season 1
Filming for the first season of the Sky and HBO legal drama 'War', starring Sienna Miller, wrapped in London.
Welcomes Third Child
Miller confirmed in an interview that she had quietly welcomed her third child, her second with partner Oli Green.
Release of 'Tom Clancy's Jack Ryan: Ghost War'
The film 'Tom Clancy's Jack Ryan: Ghost War', featuring Sienna Miller, is scheduled for release.
UK Release of 'My Mother's Wedding'
The comedy-drama film 'My Mother's Wedding' is scheduled for release in the United Kingdom.
🔍Deep Dive Analysis
Sienna Rose Diana Miller, born in New York City in 1981, rose to prominence in the early 2000s, transitioning from a modeling career to acting. Her breakthrough came in 2004 with roles in films like "Layer Cake" and "Alfie," the latter of which also sparked a highly publicized relationship with co-star Jude Law. This period marked the beginning of intense tabloid scrutiny, which often overshadowed her professional work and led to a brief hiatus from the screen between 2009 and 2011.
Miller made a significant return to prominence with her BAFTA and Golden Globe-nominated performance as Tippi Hedren in the 2012 television film "The Girl." This marked a resurgence in her career, characterized by a shift towards more critically acclaimed and independent projects. She garnered further praise for her roles in films such as "Foxcatcher" (2014) and "American Sniper" (2014), solidifying her reputation as a versatile actress.
In her personal life, Miller welcomed her first daughter, Marlowe, with actor Tom Sturridge in 2012. Their relationship ended in 2015, but they have maintained an amicable co-parenting relationship. Miller has been a vocal critic of tabloid media, famously receiving damages in the 2011 phone-hacking scandal, highlighting her long and often arduous relationship with the press.
As of 2026, Miller's career continues to thrive with a mix of film and television projects. She welcomed a daughter in January 2024 with her current partner, Oli Green, and announced her third pregnancy in December 2025. In May 2026, she confirmed the birth of her third child, her second with Green. On the professional front, she is starring in the upcoming Sky and HBO legal thriller "War," with filming for the first season concluding in February 2026 and a second season already greenlit. She is also slated to appear in "Tom Clancy's Jack Ryan: Ghost War," releasing on May 20, 2026, and the film "My Mother's Wedding," which premiered in the US in August 2025 and is set for a UK release on May 29, 2026.
What If...?
Explore alternate histories. What if Sienna Miller made different choices?