Sienna Miller Bio, Age, Height, Husband, Movies, Net Worth

Sienna Miller Biography

Sienna Miller is an American-British actress, model, and fashion designer. She was born on 28 December 1981 in New York City. Her family moved to London when she was 18 months old. She studied at the prestigious Heathfield School, then trained for a year at the Lee Strasberg Theatre & Film Institute in New York.

Miller began her career as a model. She then moved into acting. Her film breakthrough came in 2004 with Layer Cake and Alfie. She earned wider recognition playing Edie Sedgwick in Factory Girl (2006) and later acted in films such as The Edge of Love (2008). She built a sustained career through both film and television, showing versatility and depth.

Beyond acting, she co-founded the fashion label Twenty8Twelve with her sister. She also remains a style icon, known for her bohemian-chic look and fashion influence.

Today, Sienna continues acting, working on new projects — while also balancing her fashion interests and public presence.

Sienna Miller Age

How old is Sienna Miller?

Sienna Miller was born on 28 December 1981, making her 43 years old in 2025. She will turn 44 in December. Fans still admire her youthful style and strong screen presence. Moreover, her age often trends online as people search for updated celebrity biography details.

Sienna Miller’s Height

How tall is Sienna Miller?

Miller stands at 5 feet 5 inches (165 cm). Her height complements her slim frame and enhances her on-screen presence. Many fans search for her height due to her strong influence in fashion and film. Additionally, her proportionate build supports her elegant red-carpet style.

Sienna Miller Husband

Who is Sienna Miller married to?

Sienna Miller does not currently have a husband. Instead, she is in a relationship with actor-model Oli Green. They began dating in late 2021. Together they welcomed a daughter in late 2023. Furthermore, at the 2025 Fashion Awards, Sienna revealed she is expecting another child with Green.

Miller previously dated actors such as Jude Law and Tom Sturridge. She shares an older daughter, Marlowe, with Sturridge. Since then, she has focused on her relationship with Green. Currently, Sienna Miller balances motherhood, her acting career, and her public life — while she and Oli Green continue their committed partnership.

Sienna Miller Children

Who is the father of Sienna Miller‘s Children?

Sienna Miller has two daughters and is expecting her third child in 2025. Her first daughter, Marlowe, was born in 2012 with actor Tom Sturridge. Later, she had her second daughter with partner Oli Green in late 2023. At the 2025 Fashion Awards, Miller confirmed her pregnancy with her third child, exciting fans worldwide. She often shares glimpses of her family life while balancing her acting career and fashion projects. Her motherhood journey remains a popular topic, reflecting both her personal life and her role as a public figure in entertainment.

Sienna Miller’s Parents

Sienna Miller was born to Josephine “Jo” Miller and Edwin “Ed” Miller. Her mother, Jo, worked as a model and later managed the Lee Strasberg Theatre & Film Institute, influencing Sienna’s early interest in acting and fashion. Her father, Edwin, initially worked as a banker and later became an art dealer specializing in modern Chinese art. When Sienna was 18 months old, the family moved from New York to London. Her parents divorced when she was six, and she lived with her mother. Their careers and creative backgrounds shaped Sienna’s love for arts, acting, and style, impacting her career choices.

Sienna Miller’s Movies & TV Shows

Movies:

• Layer Cake (2004)
• Alfie (2004)
• Factory Girl (2006)
• Stardust (2007)
• The Edge of Love (2008)
• G.I. Joe: The Rise of Cobra (2009)
• American Sniper (2014)
• The Lost City of Z (2016)
• Wander Darkly (2020)

TV Shows / Miniseries:

• The Girl (2012)
• The Loudest Voice (2019)
• Anatomy of a Scandal (2022)

Sienna Miller demonstrates versatility across drama, action, fantasy, and thriller genres. Additionally, she continues gaining acclaim for both film and television roles worldwide.

Sienna Miller and Jude Law

Sienna Miller and Jude Law met while filming Alfie in 2003 and quickly became a high-profile couple. They got engaged on Christmas Day 2004, attracting intense media attention. However, in 2005, their engagement ended after Jude Law admitted to an affair with his children’s nanny. The breakup was widely publicized and marked a difficult period for Miller. They briefly reunited in 2009 but ended the relationship permanently in 2011. Despite the challenges, Miller has said the experience strengthened her resilience. Their relationship remains one of the most discussed celebrity romances of the 2000s.

Sienna Miller Pregnant 2025 – Expecting Third Child with Boyfriend Oli Green

Sienna Miller is expecting her third child and her second with boyfriend Oli Green. She revealed the news at the 2025 Fashion Awards, showing off her baby bump on the red carpet. Miller and Green began dating publicly in 2022. Their first child together was born in late 2023. Additionally, Miller has spoken candidly about motherhood after forty and shared that she once froze her eggs before welcoming more children. She continues to balance her expanding family life with her acting career and fashion projects, exciting fans worldwide.

Sienna Miller’s Hair

Sienna Miller often wears her hair in a warm, golden‑blonde shade with soft, textured waves. She favors a look called “modern boho blonde,” featuring subtle highlights and a natural root blend for effortless dimension. Moreover, she sometimes opts for loose, piece‑y waves to frame her face, giving an easy‑going yet stylish vibe. Occasionally, she experiments with a darker brunette‑honey hue or a chic bob cut. Overall, her hair choices reflect her versatile style, ranging from bohemian chic to polished elegance, inspiring many fans and fashion enthusiasts worldwide.

Sienna Miller & Balthazar Getty

Sienna Miller had a highly publicized relationship with Balthazar Getty between mid‑2008 and mid‑2009. They met while Getty was still married. Their romance made major headlines, especially after photographs captured them holidaying together in Italy. Eventually, Sienna ended the relationship and publicly declared herself single, moving on with her life. Later, Getty described the affair as “ancient history,” explaining it helped him refocus on family and rebuild his marriage. This romance remains one of the most controversial chapters in Sienna Miller’s private life, and fans often discuss its impact on her public image.

Sienna Miller & G.I. Joe: The Rise of Cobra

G.I. Joe: The Rise of Cobra (2009) marked a bold turn for Sienna Miller. She played the villainous spy The Baroness, a slick Cobra operative with deadly skills. She trained four months in boxing and weapons before filming. Then she adopted a dramatic transformation — dark hair, leather outfit — to embody the role. The film earned global box‑office success. However, Miller later admitted she felt misaligned with the film’s tone and chose a theater return. Still, The Baroness remains one of her most talked‑about roles and highlights her range beyond drama.

Sienna Miller Net Worth

As of 2025, Sienna Miller has an estimated net worth of about $18 million. Her income comes from acting, modeling, fashion design, and real estate investments. Additionally, endorsements and brand collaborations contribute significantly to her wealth. She continues to earn from films, television roles, and public appearances, making her one of the most financially successful British-American actresses in contemporary entertainment.