Sienna Miller Biography
Bio

Sienna Miller Biography (Age, Family, Early Life, Acting Career, Movies, TV Shows, Fashion, Personal Life & Net Worth)

Introduction – Who is Sienna Miller?

Sienna Miller is a British-American actress, model, and fashion icon known for her powerful acting performances and trend-setting style. She rose to fame in the early 2000s with breakout roles in major films and became one of Hollywood’s most recognizable faces.
This Sienna Miller Biography explores her age, early life, career journey, movies, awards, family, children, and net worth.


Sienna Miller Age, Height & Basic Information

  • Full Name: Sienna Rose Diana Miller

  • Date of Birth: December 28, 1981

  • Age (2025): 43 Years

  • Birthplace: New York City, USA

  • Nationality: British-American

  • Profession: Actress, Model, Fashion Icon

  • Height: 5 ft 5 in

  • Years Active: 2001–Present


Early Life & Background

Sienna Miller was born in New York but raised in London, England. Her mother was a model and acting coach, which heavily influenced Miller’s interest in performing arts.
She attended several arts-focused schools and trained in acting from a young age, setting the stage for her future Hollywood success.


Modeling Career

Before becoming a major actress, Sienna Miller began her career as a fashion model, working with:

  • Major clothing brands

  • Magazines

  • Runway designers

Her natural charisma and fashion sense made her an industry favorite early in her career.


Acting Career – Rise to Fame

Breakthrough Roles

Sienna Miller gained recognition with memorable performances in:

🔥 Layer Cake (2004)

A British crime-thriller that boosted her popularity.

🔥 Alfie (2004)

Starring alongside Jude Law, this film brought her international attention.


Growing Hollywood Success

Throughout the 2000s and 2010s, Miller delivered critically acclaimed performances across film and television.

Popular Movies

  • Factory Girl (2006)

  • Casanova (2005)

  • The Edge of Love (2008)

  • American Sniper (2014)

  • Foxcatcher (2014)

  • Burnt (2015)

  • Live by Night (2016)

  • 21 Bridges (2019)

Her versatility allowed her to shift between drama, romance, biopics, and action films.


Television Work

Sienna also delivered strong roles on television.

Notable TV Series

  • The Loudest Voice (2019) – as Beth Ailes

  • Anatomy of a Scandal (2022) – Netflix series

  • Extrapolations (2023) – Apple TV+

Her performance in Anatomy of a Scandal was praised for emotional depth and intensity.


Awards & Recognition

Sienna Miller has earned nominations and wins from:

  • BAFTA

  • Golden Globe Awards

  • Critics’ Choice Awards

  • Independent Spirit Awards

Her career longevity and consistent performances make her one of the most respected actresses today.


Fashion Influence

Beyond acting, Sienna Miller is globally recognized as a fashion icon, admired for her bohemian and vintage-inspired style.

Fashion Highlights

  • Influenced 2000s “boho-chic” movement

  • Featured in major fashion magazines

  • Worked with top designers and luxury brands

Her sense of style remains widely celebrated.


Personal Life

Relationships

Sienna Miller’s past relationships have often been highlighted in the media, including:

  • Jude Law (high-profile engagement)

  • Tom Sturridge (actor)

  • Oli Green (model/actor – current partner)


Children

Sienna has two daughters:

  • Marlowe Ottoline Layng Sturridge (born 2012)

  • Baby girl born in 2024 with partner Oli Green

She balances motherhood with an active acting career.


Sienna Miller Net Worth

Estimated Net Worth (2025): $18–25 Million

Income Sources

  • Film and TV acting

  • Modeling and fashion campaigns

  • Brand endorsements

  • Real estate investments

  • Fashion collaborations

Her long-standing career in both Hollywood and fashion provides steady earnings.


Sienna Miller Biography – Summary Table

FieldDetails
Full NameSienna Rose Diana Miller
Date of BirthDecember 28, 1981
Age43 Years
NationalityBritish-American
ProfessionActress, Model
Children2 Daughters
Known ForLayer Cake, American Sniper, Anatomy of a Scandal
Net Worth$18–25 Million

FAQs – Sienna Miller Biography

1. What is Sienna Miller’s age?

43 years old.

2. What is Sienna Miller famous for?

Her acting career, fashion influence, and roles in films like Layer Cake, Factory Girl, and American Sniper.

3. Does Sienna Miller have children?

Yes, she has two daughters.

4. What is her nationality?

She holds both British and American nationality.

5. What is Sienna Miller’s net worth?

Estimated between $18–25 million.


Conclusion

Sienna Miller is a highly talented actress and fashion icon whose impact spans film, television, and style. Her emotional performances, versatility, and influence in Hollywood have earned her respect and admiration worldwide. With continued projects and growing recognition, she remains a major figure in the entertainment industry.


Disclaimer

This biography is based on publicly available information. Details such as age, net worth, and personal life may change over time.