How Old Is Millie Bobby Brown? Her Age, Birthday and Career Explained

Millie Bobby Brown became internationally famous while still a child, but the Stranger Things and Enola Holmes star is now in her early 20s.

Fans searching “how old is Millie Bobby Brown?” may still associate the British actor with the young version of Eleven introduced during the first season of Stranger Things. However, almost a decade has passed since the Netflix series made her a global star.

Millie Bobby Brown is 22 years old as of August 2026. She was born on February 19, 2004, in Marbella, Spain, and celebrated her 22nd birthday in February 2026.

How Old Is Millie Bobby Brown Right Now?

Millie Bobby Brown is currently 22 years old.

Here are her basic biographical details:

• Date of birth: February 19, 2004
• Current age: 22
• Birthplace: Marbella, Spain
• Nationality: British
• Profession: Actor and producer
• Zodiac sign: Pisces
• Husband: Jake Bongiovi

Brown will remain 22 throughout the rest of 2026 and will turn 23 on February 19, 2027.

Where Was Millie Bobby Brown Born?

Brown was born in Marbella, a city in southern Spain, to British parents Kelly and Robert Brown.

Her family moved back to England when she was approximately four years old. Several years later, they relocated to Orlando, Florida, where Brown began attending acting workshops.

A talent scout reportedly noticed her abilities and encouraged her family to pursue professional opportunities. The family later moved to Los Angeles as Brown began auditioning for television roles.

Despite being born in Spain and spending part of her childhood in the United States, Brown is generally identified professionally as a British actor.

How Old Was Millie Bobby Brown When She Started Acting?

Brown was approximately nine years old when she received her first credited television role.

She appeared as Young Alice in the ABC fantasy series Once Upon a Time in Wonderland in 2013. She subsequently played Madison O’Donnell in the supernatural drama Intruders.

Before securing her breakout role, Brown made guest appearances in several established television shows, including:

• NCIS
• Modern Family
• Grey’s Anatomy

These early performances helped her build experience, but none came close to the attention she would receive from Stranger Things.

How Old Was Millie Bobby Brown in Stranger Things?

Millie Bobby Brown was 12 when the first season of Stranger Things premiered in July 2016. She had been approximately 11 during much of the production.

Brown plays Eleven, a child with psychokinetic abilities who escapes from a government laboratory and becomes connected to a group of friends in Hawkins, Indiana.

Her largely nonverbal performance during the first season quickly became one of the show’s defining elements. Eleven’s shaved head, limited vocabulary and love of Eggo waffles became immediately recognizable parts of popular culture.

Brown received her first Primetime Emmy nomination for Outstanding Supporting Actress in a Drama Series at 13. She received another nomination the following year.

How Old Is Eleven Compared with Millie Bobby Brown?

Eleven is younger than Brown during most of Stranger Things.

The character is approximately 12 years old when the story begins in 1983. Later seasons follow her through her teenage years as the timeline moves toward 1987.

Brown, meanwhile, grew from a preteen into an adult during the show’s production. By the time the fifth and final season was released in late 2025, she was 21.

The final season arrived in three parts: Volume 1 on November 26, Volume 2 on December 25 and the series finale on December 31, according to Netflix Tudum.

What Other Movies Has Millie Bobby Brown Appeared In?

Brown made her feature-film debut at 15 in Godzilla: King of the Monsters, released in 2019. She played Madison Russell and returned for Godzilla vs. Kong in 2021.

Her other major film roles include:

• Enola Holmes in Enola Holmes
• Enola Holmes in Enola Holmes 2
• Elodie in Damsel
• Michelle in The Electric State
• Enola Holmes in Enola Holmes 3

These projects allowed Brown to establish an identity outside Stranger Things while continuing to work primarily in action, fantasy, mystery and science-fiction stories.

How Old Was Millie Bobby Brown in Enola Holmes?

Brown was 16 when the first Enola Holmes movie was released in September 2020.

She did more than play the title character. Brown also worked as a producer through her family’s production company, giving her significant creative involvement at a young age.

The movie follows Sherlock Holmes’ younger sister as she investigates her mother’s disappearance and attempts to establish herself as a detective. Brown returned for Enola Holmes 2 in 2022.

She was 22 when Enola Holmes 3 arrived on Netflix in July 2026. The third film sends Enola to Malta for another case while she considers her future with Lord Tewkesbury. Brown again stars and serves as a producer. Netflix confirms that the film is now streaming.

How Old Was Millie Bobby Brown When She Became a Producer?

Brown received a producing credit on Enola Holmes while still in her mid-teens.

Her work behind the camera made her one of the youngest performers to produce a major studio-style feature built around her own character. She continued producing the sequels and has remained involved in developing projects through PCMA Productions.

Her producing work demonstrates how quickly her career expanded beyond acting after the success of Stranger Things.

When Did Millie Bobby Brown Become a UNICEF Ambassador?

Brown became UNICEF’s youngest-ever Goodwill Ambassador in November 2018, when she was 14.

Her appointment focused on children’s rights, education, bullying and the effects of violence on young people. UNICEF’s announcement described the position as a significant milestone for the organization.

That same year, Brown became the youngest person included in the annual TIME 100 list of influential people.

When Did Millie Bobby Brown Get Married?

Brown married Jake Bongiovi, the son of musician Jon Bon Jovi, in a private ceremony in May 2024. She was 20 years old.

The couple later held a larger celebration in Italy. Although Brown continues using Millie Bobby Brown professionally, reports have identified her married legal name as Millie Bongiovi.

In the summer of 2025, Brown and Bongiovi adopted a daughter. The couple announced the news while asking for privacy surrounding their child. The adoption was reported by the Associated Press.

Does Millie Bobby Brown Own a Beauty Brand?

Brown launched Florence by Mills in 2019 when she was 15.

The company began with beauty and skincare products marketed toward younger consumers. Its name honors Brown’s great-grandmother, Florence, while “Mills” comes from one of Brown’s nicknames.

The business added another dimension to a career that already included acting, producing and advocacy work.

How Old Is Millie Bobby Brown? The Quick Answer

Millie Bobby Brown is 22 years old. She was born on February 19, 2004, in Marbella, Spain.

She was 12 when Stranger Things premiered, 13 when she received her first Emmy nomination, 14 when she became UNICEF’s youngest Goodwill Ambassador and 16 when she starred in and produced the first Enola Holmes movie.

Now that Stranger Things has concluded, Brown’s work as the star and producer of the expanding Enola Holmes franchise represents the next major phase of her career.