How Old Is Millie Bobby Brown? The Stranger Things Star’s Age and Journey to Success

Introduction: Why Millie Bobby Brown’s Age Matters

Millie Bobby Brown, born 19 February 2004, is a British actress and film producer who has captured global attention since childhood. She is 21 years old as of 2025, having celebrated her 21st birthday in February. The question of her age remains widely searched because when Stranger Things debuted in 2016, she was just 12 years old, instantly recognizable for her role as Eleven. Understanding her age provides context for her remarkable achievements and the evolution from child star to accomplished adult actress, entrepreneur, and now parent.

Career Milestones and Recognition

She gained international recognition for playing Eleven in the Netflix science fiction series Stranger Things (2016–2025), a role that transformed her career trajectory. In 2018, Brown was featured in the Time 100 list of the world’s most influential people, and she was appointed as a UNICEF Goodwill Ambassador, the youngest person ever selected for this position. Beyond Stranger Things, she starred in and produced the Netflix films Enola Holmes (2020), Enola Holmes 2 (2022), Damsel (2024), and The Electric State (2025), demonstrating her versatility across genres.

Personal Life at 21

At 21, Brown’s life has entered a new chapter. In 2021 Brown began dating Jake Bongiovi, whose father, Jon Bon Jovi, is the leader and frontman of the rock band Bon Jovi. The couple married in 2024. Most recently, in August 2025, at age 21, Millie and Jake adopted their first child, a daughter, marking a significant transition into parenthood whilst maintaining her professional commitments.

Future Projects and Significance

Just Picture It marks Brown’s first romantic comedy, and she has shepherded the project from its inception. She recently wrapped production on Enola Holmes 3, in which she stars as the bright young detective and executive produced for PCMA Productions. At just 21 years old, Brown has already established herself as a producer and creative force in Hollywood. Her journey from a 12-year-old newcomer to an accomplished actress, businesswoman with her Florence by Mills brand, and advocate for important causes demonstrates remarkable maturity and ambition that continues to inspire her generation.