The Shocking Truth: What Is Millie Bobby Brown's Real Name After Her Marriage?

The name "Millie Bobby Brown" is globally recognized, synonymous with the telekinetic powerhouse Eleven from Stranger Things and the sharp-witted detective Enola Holmes. But as of today, December 18, 2025, the name she uses professionally is subtly different from her full birth name, and her legal name has undergone a significant, fascinating change following a major life event that solidified her entry into one of rock music's most famous families. This article dives deep into the star's complete identity, tracing her name from birth to her current, officially recognized title, and exploring the surprising story behind the "Bobby" that made her famous.

The curiosity surrounding a celebrity’s birth name is often rooted in the desire to connect with the person behind the persona. For Millie Bobby Brown, the revelation of her full name—and especially her new legal name—provides a fresh, intimate look at the 21-year-old actress, producer, and entrepreneur as she navigates her final season of Stranger Things and her new life as a wife and mother. The information is current, reflecting her status as one of the most powerful and influential Gen Z figures in the entertainment industry.

Millie Bobby Brown: Complete Biography and Real Name Profile

The professional name "Millie Bobby Brown" is a carefully chosen, memorable moniker, but the full details of her identity are far more complex and reveal an interesting family history. Below is a complete breakdown of her biographical profile, including the most up-to-date information on her legal name change.

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• Professional Name: Millie Bobby Brown
• Full Birth Name: Millie Bonnie Brown
• Current Legal Name: Millie Bonnie Bongiovi (née Brown)
• Date of Birth: February 19, 2004
• Age (as of Dec 2025): 21
• Place of Birth: Marbella, Málaga, Andalusia, Spain
• Nationality: British (Her family is British, and she holds British citizenship)
• Parents: Kelly Brown and Robert Brown
• Siblings: Paige Brown, Charlie Brown, and Ava Brown
• Spouse: Jake Bongiovi (Married May 2024)
• In-Laws: Jon Bon Jovi (Father-in-law) and Dorothea Hurley (Mother-in-law)
• Children: One baby welcomed in Summer 2025
• Years Active: 2013–Present
• Notable Roles: Eleven/Jane Hopper (Stranger Things), Enola Holmes (Enola Holmes films), Princess Elodie (Damsel)
• Business Ventures: Founder of Florence by Mills (skincare, makeup, fashion, coffee)

The Surprising Story Behind 'Millie Bobby' and the Middle Name 'Bonnie'

The name "Millie Bobby Brown" is instantly recognizable, yet it is a stage name that incorporates a tribute to her father. Her official birth name is Millie Bonnie Brown. The middle name "Bonnie" is a detail she has confirmed in recent interviews, often surprising fans who assumed "Bobby" was her middle name.

The professional name "Bobby" is actually a shortened, affectionate version of her father’s name, Robert Brown. By adopting "Bobby" as her stage name, she created a unique, catchy professional identity while paying homage to her family roots. This blending of her given name, Millie, with a tribute to her father, Robert, has proven to be a powerful, memorable brand.

The actress began her career at a very young age, moving with her family from Spain to Bournemouth, England, and later to Orlando, Florida, in pursuit of her acting dreams. It was in Florida that she was scouted by a Hollywood talent agent who recognized her raw talent, setting her on the path to stardom and the eventual role that would change her life: Eleven in the Netflix phenomenon, Stranger Things.

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The New Legal Name: Millie Bonnie Bongiovi (The 2025 Update)

The most significant and current update to Millie Bobby Brown's name is the change in her legal surname. In May 2024, she married her partner, Jake Bongiovi, the son of legendary rock star Jon Bon Jovi.

Following the wedding, the actress legally changed her name. Her full legal name is now Millie Bonnie Bongiovi. This change, while expected for a married person, is a major entity update for a global celebrity who has been known by her birth surname, Brown, for her entire career.

She continues to use "Millie Bobby Brown" professionally—a common practice among high-profile actresses to maintain brand consistency. However, the legal adoption of the Bongiovi surname officially links her to the famous rock dynasty and marks a new chapter in her personal life, which included welcoming her first baby in the summer of 2025.

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A New Era of Projects and Production

The name change coincides with a pivotal and busy period in her career, showcasing her evolution from a child star to a powerful producer and leading woman. Her upcoming projects dominate the 2025 entertainment landscape:

• Stranger Things Season 5: The final season of the series that launched her career is one of the most anticipated releases, with a predicted premiere in late 2025. She will reprise her iconic role as Eleven (Jane Hopper), bringing the epic saga to a close.
• The Electric State (2025): Directed by the Russo Brothers (known for the Marvel Cinematic Universe), this major sci-fi film is set for a 2025 release on Netflix. Millie Bobby Brown stars alongside Chris Pratt and Stanley Tucci, further solidifying her status as a blockbuster lead.
• Production Work: Beyond acting, the star is a savvy producer. She executive produced the hit films Enola Holmes and Damsel, demonstrating her control over her creative path and her commitment to developing strong female-led stories.

The Business Empire: Florence by Mills and Topical Authority

Adding another layer of topical authority to her identity is her successful business empire, Florence by Mills. Launched in 2019, the brand was initially focused on clean, vegan skincare and makeup. The name "Florence" is a tribute to her great-grandmother, further highlighting the importance of family in her branding.

In 2025, the brand has seen significant expansion, cementing her status as a beauty mogul and entrepreneur. Recent updates include:

• Florence by Mills Coffee: A new line of ready-to-drink lattes and coffee products launched in March 2025, expanding the brand into the beverage market.
• Florence by Mills Fashion: The brand has also moved into apparel, intimates, and loungewear, focusing on fashion that promotes "rebellious confidence."

From Millie Bonnie Brown to the globally recognized Millie Bobby Brown, and now legally, Millie Bonnie Bongiovi, the actress's name is a reflection of her journey. It is a story of a young talent who strategically built a professional brand while honoring her family, all while transitioning into a new, powerful phase of her personal and professional life in 2025.