"Eleven is 21": Fans react as Millie Bobby Brown shares her birthday celebration moments

Millie Bobby Brown turned 21 on February 19. The actress gained fame after the Netflix show Stranger Things, where she played the role of Eleven, a girl with telepathic powers. Millie was 12 years old when the show premiered in 2016.

Brown started her own company called Florence by Mills, in 2019, focusing on fashion and beauty. She is also the author of Nineteen Steps, a book published in 2023. In addition, she owns a production company called PCMA Productions.

She later worked on several other projects, including Enola Holmes and Damsel, where she also worked as a producer. She will next appear in The Electric State alongside Chris Pratt. Earlier, the actress also played a small role in the comedy series Modern Family.

Millie Bobby Brown has also won the 43rd Saturn Award for Best Performance by a Younger Actor in a Television Series.

The actress recently married her longtime boyfriend, Jake Bongiovi, son of Jon Bon Jovi, in 2024 after dating him for three years.

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Fans are excited as Millie Bobby Brown shares her birthday clips on Instagram

Following her birthday on February 19, the actress shared a reel on Instagram showing her birthday look.

Millie wore a strapless green corset top with her blonde hair styled in beachy braids. Her birthday reel was accompanied by the "stupid birthday" audio originally shared by Michaela Scott. The reel showed a heart-shaped cake and a green leafy background, suggesting Brown's birthday was celebrated outdoors.

After Brown posted the reel, fans showed their excitement in the comment section. Let's take a look at some of the comments.

Eleven is 21 ❤️✨ Happy Birthday Millie @milliebobbybrown 🥳🎉," a user, @theprettiestnica, commented.

QUEEN ENERGY ALWAYS ✨🎂 happy 21st beauty," another user, @officialhannahsarah, added.

"the most iconic birthday girl ❤️‍🔥❤️‍🔥❤️‍🔥," Millie Bobby Brown's company, @florencebymills, commented.

"ANN ICONNN HAPPY BIRTHDAY MILLIE!!! <333," a fan account @yourmilliesourcess, posted.

"Last Time I saw you , you were 11," a user, @master_sm_7, added.

"I can’t believe eleven is 21 now 🥹 HAPPY BIRTHDAY YOU GORGEOUS LADYYY🩷," another user, @raeraehamz, posted.

"Wow time goes by so fast seems like she was just 11 lol Happy Birthday Mills Blessings upon Blessings," another user, @tone_freebone, commented.

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Millie Bobby Brown's upcoming projects include The Electric State, set to release on March 14, 2025, on Netflix. Fans will also see her in the final season of Stranger Things.