Sienna Miller is a British-American actress and model who rose to fame in the early 2000s with roles in films like Layer Cake and Alfie. Born in New York City and raised in London, she has built a career that spans independent dramas, mainstream action films, and fashion. As of 2026, she is 44 years old and continues to take on new projects.
Miller’s personal life has often been in the spotlight, particularly her relationships with Jude Law, Tom Sturridge, and current partner Oli Green. She has one daughter, Marlowe Ottoline Layng Sturridge, with Sturridge. Her estimated net worth, according to several entertainment profiles, is about $18 million.
This article covers her age, height, net worth, relationships, filmography, and upcoming work, drawing on publicly available biographical sources.
How Old, Tall, and Wealthy Is Sienna Miller?
- Full name: Sienna Rose Diana Miller
- Born: 28 December 1981 in New York City, USA
- Occupation: Actress and model
- Known for: Breakout roles in Layer Cake and Alfie, plus a fashion-icon image
Key Insights
- Sienna Miller is not currently married; her long-term partner is Oli Green.
- Her net worth is estimated at about $18 million, though some sources cite lower figures in the $5–10 million range.
- She has one daughter named Marlowe Ottoline Layng Sturridge with ex-fiancé Tom Sturridge.
- Her breakthrough film role was in Alfie (2004).
- She stands 5′5″ (1.65 m) tall.
- She holds dual British-American nationality.
| Attribute | Detail |
|---|---|
| Date of Birth | 28 December 1981 |
| Age (as of 2026) | 44 |
| Height | 5′5″ (1.65 m) |
| Net Worth (est.) | ~$18 million |
| Children | 1 daughter (Marlowe) |
| Partner | Oli Green (since 2021) |
| Parents | Edwin Miller and Josephine Miller |
| Sibling | Savannah Miller (older sister) |
| Nationality | British-American |
Who Has Sienna Miller Dated? Husband, Boyfriends, and Family
Engagement to Jude Law
Miller was engaged to actor Jude Law after meeting on the set of Alfie. The engagement ended in 2006. The relationship attracted significant media attention at the time.
Long-Term Relationship with Tom Sturridge
From around 2010 to 2015, Miller was in a relationship with actor Tom Sturridge. The couple became engaged and had a daughter, Marlowe Ottoline Layng Sturridge, born in 2012. They later separated.
Current Partner: Oli Green
Since 2021, Miller has been in a relationship with Oli Green. Some entertainment profiles suggest the couple have a second daughter, but this detail has not been confirmed by high-authority sources and should be treated cautiously.
Sienna Miller is not legally married. Search results that refer to a “husband” usually mean her current partner, Oli Green, or occasionally refer to a past engagement.
Family Background
Her father, Edwin Miller, is an American banker and art dealer. Her mother, Josephine Miller, was a South African-born model who later worked as a yoga instructor. Miller has an older sister, Savannah Miller, who is a fashion designer, and additional half-siblings are mentioned in some biographical profiles.
What Are the Best Sienna Miller Movies?
Breakthrough and Early Success
Miller’s first major film role was in Layer Cake (2004), followed by a starring role opposite Jude Law in Alfie (2004). These performances established her as a rising talent. She then took on period dramas like Casanova (2005) and the biopic Factory Girl (2006) about Edie Sedgwick.
Miller earned critical praise for her work in American Woman (2019), a drama about a woman raising her grandson after her daughter goes missing. The film showcased her range as a dramatic actress.
Blockbuster and Indie Work
She appeared in G.I. Joe: The Rise of Cobra (2009) and later took on roles in Foxcatcher (2014) and American Sniper (2014). Other notable films include High-Rise (2015), The Lost City of Z (2016), The Catcher Was a Spy (2018), Wander Darkly (2020), and the TV miniseries The Loudest Voice (2019).
Some recent entertainment reports claim Miller and Oli Green have a second daughter, but this information has not been confirmed by major, high-authority biographical sources. It is best treated as unverified.
Sienna Miller’s Life and Career Timeline
- 2004 – Breakthrough in Alfie and Layer Cake
- 2005–2006 – Engagement to Jude Law, later ended
- 2006 – Starred in Factory Girl
- 2010–2015 – Relationship with Tom Sturridge; daughter Marlowe born in 2012
- 2014 – Roles in Foxcatcher and American Sniper
- 2019 – Lead role in American Woman and miniseries The Loudest Voice
- 2021 – Began relationship with Oli Green
- 2025 – Listed on IMDb for TV series War as Carla Duval
- 2026 – Post-production film Madden
What Is Known and What Remains Unclear About Sienna Miller?
| Established Information | Information That Remains Unclear |
|---|---|
| Date of birth: 28 December 1981 | Exact net worth varies across sources ($5–18 million range reported) |
| Height: 5′5″ (1.65 m) | Whether she has a second child with Oli Green is unconfirmed |
| Daughter’s full name: Marlowe Ottoline Layng Sturridge | Marital status: she is not legally married, but partner is Oli Green |
| Relationships: Jude Law (ex-fiancé), Tom Sturridge (ex-fiancé), Oli Green (current partner) | Full filmography for 2025 beyond War is not fully verified |
How Did Sienna Miller Build Her Career?
Miller began modeling as a teenager and transitioned into acting in the early 2000s. Her early roles in British films and her fashion sense quickly made her a style icon. She balanced independent films like The Lost City of Z with bigger productions such as G.I. Joe: The Rise of Cobra, showing versatility.
Over time, she earned recognition for dramatic performances in Foxcatcher and American Woman, shifting from “It girl” to respected character actress. Her career has also included stage work and television, including the critically praised The Loudest Voice.
Miller’s ability to navigate both high-profile relationships and a steady acting career has kept her in the public eye for more than two decades. She continues to take on projects that challenge her range, with upcoming credits in 2025 and 2026.
Where Did This Information Come From?
The facts in this article are drawn from several publicly available sources. Sienna Miller – Wikipedia provides a comprehensive overview of her biography and filmography. Sienna Miller – IMDb lists her acting credits and professional details. Bored Panda offers a simplified biography with key statistics. Screen Dollars includes family background and nationality information. SFFilm discusses her career highlights. Rotten Tomatoes aggregates her film reviews and ratings.
What Is Next for Sienna Miller?
As of early 2026, Miller has a television role listed as Carla Duval in the series War (2025) and is attached to the post-production film Madden (2026). No further confirmed projects have been announced. For more on other British actresses, see Juno Temple – Age, Movies, Career and Personal Life 2025 and Helen Mirren – Age, Height, Husband, Net Worth, and Career.
Frequently Asked Questions
What is Sienna Miller’s real name?
Her full birth name is Sienna Rose Diana Miller.
Where was Sienna Miller born?
She was born in New York City, USA, but raised in London, England.
Is Sienna Miller still acting?
Yes, she continues to act. Recent credits include the TV series War (2025) and the film Madden (2026).
Does Sienna Miller have any siblings?
She has an older sister named Savannah Miller and additional half-siblings mentioned in some profiles.
How tall is Sienna Miller?
Her height is 5′5″ (1.65 m), according to public biographical sources.
Is Sienna Miller married?
No, she is not legally married. She has been in a relationship with Oli Green since 2021.
What is Sienna Miller’s net worth?
Estimates range from about $5 million to $18 million, with the higher figure cited by several entertainment profiles.
How many children does Sienna Miller have?
She has one confirmed daughter, Marlowe Ottoline Layng Sturridge, born in 2012. Some reports mention a second child, but that is not confirmed.
What was Sienna Miller’s first major movie?
Her breakout came with Layer Cake (2004) and Alfie (2004).
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Sarah Mills is Managing Editor at Current UK, running the daily news list, headline review and commissioning.