Sienna Miller is an American-British actress and former model whose career spans film, television, theatre, and fashion. Born in New York City and raised in London, she became widely recognised through films such as Layer Cake and Factory Girl, followed by acclaimed performances in The Girl and American Sniper. Her personal life, fashion influence, and family have also attracted public interest. This profile explores Sienna Miller age, height, partner, estimated net worth, career, family, and background in a natural, magazine-style format.
Sienna Miller Age Quick Bio
Profile Detail Information Full Name Sienna Rose Diana Miller Date of Birth December 28, 1981 Age 44 years old (as of September 23, 2026) Height 5 feet 5 inches (165 cm), commonly reported Birthplace New York City, New York, United States Nationality British-American Zodiac Sign Capricorn Profession Actress, model, fashion designer Famous For Layer Cake , Alfie , Factory Girl , The Girl , and American Sniper Career Start Early 2000s Partner Oli Green Relationship Status Engaged to Oli Green since June 2026 Previous Partner Tom Sturridge Children Three children Children with Oli Green Two children First Child Daughter Marlowe, born in July 2012 with Tom Sturridge Parents Edwin Miller and Josephine Miller Sibling Savannah Miller, fashion designer Education Heathfield School in Ascot, England Estimated Net Worth Approximately $18 million, based on an older reported estimate; current figure is not independently verified Main Income Sources Acting, film and television projects, modelling, fashion collaborations, and brand partnerships Hair Color Blonde Eye Color Blue Weight No verified current measurement publicly established Nickname Sienna Hobbies and Interests Fashion, acting, theatre, design, and travel-related interests Notable Films Layer Cake , Alfie , Factory Girl , The Edge of Love , Foxcatcher , American Sniper , and The Lost City of Z Notable Television Work The Loudest Voice and Anatomy of a Scandal Theatre Career Has appeared in stage productions, including notable work in London and on Broadway Fashion Career Worked as a model and became recognised for her fashion influence and style Awards and Recognition Received major award nominations, including recognition connected to the BAFTA Rising Star category Family Background Her father, Edwin Miller, worked in art dealing and banking, while her mother, Josephine Miller, was a former model Instagram Official account should be verified before publication Current Career Continues to work in film, television, fashion, and public appearances
Sienna Miller Images
Sienna Miller
Sienna Miller
A Timeline Sienna Miller Public Career
Year / Date Career and Life Timeline December 28, 1981 Sienna Rose Diana Miller was born in New York City, United States. Childhood She grew up with connections to both American and British culture and later attended Heathfield School in England. Early 2000s Began building her career through modelling and acting opportunities. 2004 Gained wider attention through films including Layer Cake and Alfie . 2006 Played Edie Sedgwick in Factory Girl . 2008 Appeared in The Edge of Love and received further industry recognition. July 2012 Welcomed her first child, daughter Marlowe, with actor Tom Sturridge. 2019 Appeared in the television miniseries The Loudest Voice . 2022 Featured in the Netflix series Anatomy of a Scandal . January 2024 Welcomed a daughter with Oli Green. May 2026 Welcomed a son with Oli Green. June 2026 Sienna Miller and Oli Green became engaged. September 2026 Continued public appearances and professional activities as an actress and fashion personality.
Sienna Miller Family Details
Family Member / Detail Information Father Edwin Miller Mother Josephine Miller Sister Savannah Miller, fashion designer Former Partner Tom Sturridge Current Fiancé Oli Green First Child Marlowe Sturridge, daughter with Tom Sturridge Second Child Daughter with Oli Green, born in 2024 Third Child Son with Oli Green, born in May 2026 Total Children Three Family Relationship Sienna and Tom Sturridge have continued co-parenting their daughter Marlowe. Family Lifestyle Sienna generally keeps her younger children away from extensive public attention.
Sienna Miller Social Media Accounts
Social Media Platform Account Information Instagram Sienna Miller has an official Instagram presence; verify the current username before publication Facebook No independently verified official public account confirmed X (Twitter) No independently verified official account confirmed TikTok No independently verified official account confirmed YouTube No independently verified official personal channel confirmed
Sienna Miller uxury Cars
Car Category Estimated Price Range Ownership Status Luxury SUV $50,000–$120,000 Specific personal ownership not publicly verified Premium Sedan $45,000–$110,000 Specific personal ownership not publicly verified Luxury Electric Vehicle $40,000–$100,000 No confirmed model publicly established Classic or Vintage Car $30,000–$150,000+ No specific personal collection confirmed
Sienna Miller Designer Clothing and Footwear
Collection Category Estimated Price Range Details Designer Dresses $500–$10,000+ per item Associated with her public fashion and red-carpet appearances Luxury Handbags $1,000–$8,000+ per bag Specific personally owned bags are not independently verified Designer Shoes $400–$2,500+ per pair Fashion-related category Designer Coats $800–$6,000+ per item Estimated luxury fashion range Red-Carpet Couture $3,000–$30,000+ per outfit May include borrowed stylist or designer pieces rather than personal property
Sienna Miller Luxury Watches
Watch Category Estimated Price Range Ownership Status Designer Watches $500–$5,000 Specific personal watch collection not verified Luxury Swiss Watches $3,000–$20,000+ No confirmed model established High-End Statement Watches $10,000–$50,000+ No independently verified ownership details
Sienna Miller Music Memorabilia and Personal Collectibles
Collection Category Estimated Price Range Ownership Status Signed Film Memorabilia $100–$5,000+ No specific personal collection confirmed Movie Costumes $500–$20,000+ Film wardrobe ownership not verified Designer Sunglasses $150–$1,000+ Fashion accessory category Collectible Art Pieces $500–$50,000+ No verified personal art collection details Personal Awards and Memorabilia Varies Career-related items may be retained, but individual ownership details are not documented