Millie Bobby Brown Plays the Birthday Baddie in Blonde in an Instagram Thank You Post

Published 02/20/2025, 12:15 AM EST

via Imago

Hollywood birthdays are not just parties but cinematic events, complete with plot twists, and a dash of red-carpet-worthy drama. But upon Millie Bobby Brown’s turn to level up to 21, best believe she served up the main character energy without any crumbs. Before the confetti even hit the ground, Brown was already in her salon era, trading brunette for bombshell blonde. However, she did not hit the brakes there. Keeping her fans fed, she hopped on the birthday reel trend, debuting her blond era on Instagram like a true birthday baddie.

Gone is the soft, romantic Valentine’s aesthetic. Brown just pressed reset and stepped up to a new chapter perfectly wrapped in blonde, bold, and absolutely birthday-proof.

Millie Bobby Brown turns 21: No longer a damsel with brunette tresses

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Millie Bobby Brown just blew out 21 candles and the internet is eating it up. A few years back, the birthday reel trend took off in which influencers kickstarted their big day swapping smokables for candles in a playful parody. And now the Stranger Things star just put her 21+ spin on it. Draped in blonde mermaid glam, flaunting fishtail braids, and serving the Disney princess but baddie vibes, Brown’s Instagram reel is a full production. 

With one set of hands sliding her shades and another lighting the candle Brown holds up to her lips, the birthday magic unfolds online. She then places the candle on her cake, tilts her shades down just enough to give the camera that signature stare, and seals it with a lip-sync moment that announces loud and clear: she is officially in her baddie era. “Thx for the bday wishes… hi 21,” she captioned, and just like that a new chapter began.

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Meanwhile, Florence by Mills joined the celebrations with a birthday special deal, and her husband? With a love-filled birthday card.

Jake Bongiovi paints Instagram red for Millie Bobby Brown’s 21st

Millie Bobby Brown and Jake Bongiovi’s social grid is a holy grail for the followers who have shipped the power couple from day one. And since every special occasion follows a love-laced tribute, how could Brown’s 21st birthday be an exception? Although tabloids have yet to get in on their off-screen plans, Bongiovi just took to Instagram to share a mirror selfie with his wife to extend his birthday wishes to her.

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“Happy 21st baby. I love you so much,” Bongiovi captioned the post with a trail of love emojis lined up next. In the picture, Bongiovi sports casuals in grey in a summertime throwback, clearly visible from their lightweight outfits. On the other hand, Brown appears chic in a red bikini top, holding her then-brunette hair back with her hands while pouting to the camera. Although she looked no less of a trendsetter there, the baddie meter seems to have hit a new high in her blond birthday era.

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What do you think of Millie Bobby Brown's thank you post on Instagram? Let us know in the comments below!

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Anushka Bhattacharya

1990 articles

I'm Anushka Bhattacharya, an entertainment journalist at Netflix Junkie. Armed with a degree in literature, I once wielded my words to catalyze change within society through my work with NGOs. However, as I stumbled into the exuberant hole of crime thrillers and documentaries on Netflix, it was love at first sight and pushed me into entertainment journalism.

Edited By: Aliza Siddiqui

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