Millie Bobby Brown has grown up in front of audiences around the world. While many fans first discovered her through Stranger Things, another major chapter of her career unfolded through Netflix's Enola Holmes franchise. Across three films, viewers have watched both Brown and her character evolve from a spirited teenager into a confident young woman.

That natural progression has become one of the franchise's biggest strengths. As Enola's adventures became more ambitious, Brown's maturity as an actress and producer developed alongside the character, making each installment feel like a genuine step forward. With Enola Holmes 3 generating fresh excitement, it's the perfect time to look back at her transformation throughout the series.

When production on Enola Holmes began in 2019, Millie Bobby Brown was just 16 years old. She spent most of the filming period between the ages of 15 and 16, closely matching Enola's age in the story. By the time the movie premiered in September 2020, she had already turned 16 and was taking on one of her first major leading film roles while also serving as a producer.

For Enola Holmes 2, Brown was primarily 17 during filming in late 2021 and early 2022. She turned 18 before the sequel's release in November 2022. The difference was noticeable on screen, with Enola appearing more independent and self-assured as she launched her own detective agency. By the time Enola Holmes 3 was filmed in 2025, Brown was 21 years old, and she is 22 at the film's 2026 release.

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The third installment showcases both the actress and character entering a new stage of adulthood.

The newly released trailer for Enola Holmes 3 raises the stakes from its opening moments. It begins with Enola racing through danger in a wedding gown while trying to escape a mysterious masked figure. The action-packed sequence is intertwined with glimpses of her relationship with Tewkesbury, including a proposal that sets the story in motion.

The Holmes family eventually heads to Malta for the wedding festivities, but celebration quickly gives way to mystery. Enola finds herself torn between marriage and the detective identity she has worked tirelessly to build. Meanwhile, a shocking revelation involving Sherlock's disappearance pushes her into another high-stakes investigation. The preview suggests the upcoming film will challenge Enola both personally and professionally, marking a significant turning point in her journey.

As the franchise continues to grow, Brown's real-life transformation remains one of its most compelling stories. From a 15-year-old leading her first major film to an established star in her twenties, her evolution has mirrored Enola's path in a way few franchises achieve.

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Are you excited to see Millie Bobby Brown's next chapter as Enola Holmes when the film arrives? Let us know in the comments!