Millie Bobby Brown turns 21: Her 17 best fashion moments of all time

Nothing says "I’m a grown up now" like a ruby-red sequin mini. Millie strutted onto The Tonight Show in a dazzling Cult Gaia dress, paired with sheer tights and classic pumps from Jimmy Choo. The sleek updo? Chef’s kiss. From Hawkins to Hollywood, she’s serving glam with a capital G.

Millie Bobby Brown shimmered in a jaw-dropping metallic gown with scale-like sequins in silver and black at the premiere of Damsel in Los Angeles.  Designed by Louis Vuitton, this ensemble was a total showstopper and the high slit added extra allure.

Rocking the red carpet at a Damsel press event, Millie mixes edgy and chic in a floral corset top paired with high-waisted blue jeans. The corset’s neckline adds a unique twist, and the bold choker necklace sealed the deal. This killer ensemble gave Bridgerton vibes in the best possible way.

This playful look is another hit by Louis Vuitton. Millie stood out in a pink and orange mini dress at the brand's fashion show. The ruffled details and belted waist add a fun twist, while knee-high black boots and hoop earrings bring the edge.

Stepping onto the Comic-Con stage in Osaka, Millie channeled high-fashion rodeo queen in a red crystal-embellished shorts set from Annie's Ibiza with matching boots. The cropped jacket? Studded perfection. The energy? Electric. This wasn’t her first rodeo—but it’s definitely her most stylish.

Spotted at the airport with her fiancé, Millie embraced peak comfy-core in a lavender Rotate sweatsuit. The pièce de résistance? A literal cardboard box on her head—because why put up with paparazzi when you have a DIY disguise? Bonus points for her UGG Tasmans.

Millie turned heads at a Comic Con event in a quilted black Moschino dress adorned with jewel brooches. The A-line silhouette and thigh-grazing bubble hem gave gothic-meets-glam vibes. 

Sleek and sophisticated, Millie dazzled in a black satin gown at the Glamour Women of the Year Awards. The chain-link detail around the neckline is simply eye-catching. With an elegant up-do and minimal accessories, this Louis Vuitton number was pure class.

Millie was chic in a black velvet gown with sheer lace details and a floor-length cape for the 2022 BAFTAs. The plunging neckline and long gloves bring old Hollywood glamour to the modern age.

Millie was a vision in pink at the Enola Holmes 2 premiere. This gown, adorned with black floral appliqués, boasted a deep V-neckline and a flowing skirt that was straight out of a fairy tale. Her elegant blonde up-do completed the loo, which was another stunning creation by Louis Vuitton.

Bold meets beautiful at the Stranger Things Season 4 premiere in this striking white and black gown. With a high slit and contrasting belt, plus an asymmetrical top with one sheer black shoulder, Millie’s look was dramatic and unforgettable. Thanks, Louis Vuitton.

Hanging out with her Stranger Things co-star Noah Schnapp, Millie rocked a striking two-piece: a corset-inspired crop top and sleek satin trousers. The ivory tones, silver accessories, and sharp stilettos felt fresh yet timeless.

Millie went contemporary cool at the 2020 SAG Awards in a white Louis Vuitton ensemble with a high-low jacket and matching trousers. The plunging neckline adds a touch of sophistication. With sleek hair and diamond jewellery, she was the epitome of elegance. 

Millie graced the Stranger Things Season 3 premiere in a bubblegum-pink Rodarte gown. With ruffled off-shoulder drama and a high-low tulle moment, she balanced elegance and youthfulness effortlessly. White strappy heels and a sleek bun kept it polished. Eleven? She's evolved—into a full-blown style queen.

Dramatic flair met regal elegance at the Godzilla: King of the Monsters premiere in this black gown with gold embellishments. Millie’s high modern bun and minimal jewellery let the gown shine. Louis Vuitton, of course.

Young Millie was adorable on The Tonight Show Starring Jimmy Fallon in a white mini dress with black trim. Simple yet sophisticated, the dress paired perfectly with black lace-up shoes. Her short hair and cheerful vibe made this look youthful and brimming with charm.

For the Stranger Things Season 1 premiere, Millie rocked a white tea-length dress with gold embroidery, proving she's been a fashion darling since day one. Instead of predictable heels, she paired the princessy dress with gold glitter sneakers.