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Famous at 10 - The teenage superstar has been walking LA's red carpets since she was 10 years old. Here she strands next to her 'Intruders' co-star James Frain. Look at how at ease she appears.

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Woman to be - Also at 10 years old, the young starlet showed off this impeccable manicure, while at the same time displaying a keen fashion sense.

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Princess in sneakers -

In a gorgeous classic dress and sneakers combo at the 2016 Los Angeles premiere of 'Stranger Things.' Through her role as the mysterious Eleven, she became the show's breakout star at just 12 years old.

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Winning trio - A few weeks later at the Emmy Awards and again looking the part, Millie poses on the red carpet next to her 'Stranger Things' co-stars Gaten Matarazzo and Caleb McLaughlin.

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Classic - In 2016, young Millie Bobby Brown lit up pretty much every red carpet she set foot on, always dressed to perfection in the smartest and most stylish outfits.

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New year, new Millie -

On the BAFTA Tea Party red carpet in LA in early 2017, she went for a more feminine look, wearing an elegant dress with high heels and more pronounced makeup.

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Sequins and rhinestones - A couple of days later, at the Golden Globes, she showed up in this sparkling sequin and rhinestone dress.

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Coming into her own - Only a few weeks before her 13th birthday, she wore this custom-made, sumptuous red gown by Armani to the 2017 Screen Actors Guild Awards.

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Face of a child -

A close-up reveals her accentuated makeup, but also her very childlike facial features, interestingly contrasting with the more grown-up outfit. And what about that headband—isn't it lovely?

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Fashion icon -

At age 13, the British actress was already a full-blown fashionista. Small wonder, then, we should catch her here, at a Calvin Klein show during New York Fashion Week.

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At ease -

Millie Bobby Brown seems completely natural and at ease in front of photographers. It's as if she's done it all her life!

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The young fashionista -

In the summer of 2017, Millie showcased her new style, and it was quite the departure. High heels, vintage sun glasses, a designer dress, and the movie star pout to go with it! Millie Bobby Brown the fashion icon had arrived.

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Audacious! -

And what do true fashion icons do? They make bold fashion choices, like this Rodarte dress worn to the MTV Video Music Awards.

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Too grown-up? - There has been some discussion in the media regarding the teenage actress' very grown-up style, and the entertainment industry's sexualization of young girls and women.

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Young Natalie Portman -

Many have compared her to a young Natalie Portman. Like Brown, Portman became famous for an iconic role in her early teens. They also look really alike.

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Surrounded by stars -

In Hollywood she's surrounded by many celebrities from the fashion world. Here she is posing with models Kaia and Presley Gerber, Cindy Crawford's kids.

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Distinctive style -

The young actress with a very bold look at the premiere of the second season of 'Stranger Things', in late 2017.

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Model behavior - From her shoes to her makeup, nothing is left to chance as the young actress strikes a fashion model pose.

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To the nines - At the Golden Globes in early 2018, Millie wore this black Calvin Klein dress, which caused some controversy.

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Heated discussions -

Folks questioned if the dress' backless design was appropriate for a 14-year old.

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Uncomplicated - Later, at the Screen Actors Guild Awards, she opted for more casual attire, yet still in tune with the times, with a light dress and sneakers combo.

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Snub - Another red carpet event, another controversial Calvin Klein creation! According to some, this outfit Millie wore in February 2018, reminiscent of those worn by high school cheerleaders, was a snub at some of the things that were being said about her in the media.

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Parkland - At the 2018 Nickelodeon Kids' Choice Awards, she showed her support for gun violence prevention in the United States by wearing a jacket with the names of the 17 killed in the appalling high school shooting in Parkland, Florida, which had happened only weeks before.

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Change - After winning an award, in her acceptance speech she tackled the subject of gun violence and took a firm stance in favor of changing US gun laws.

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Sparkling - In a less serious note, here she is sparkling in a black and white long dress with a star motif.

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Working woman - Wow! Hard to believe the actress is just 14 years old in this photo. Also, notice her gorgeous yellow pumps, contrasting with the dark pantsuit.

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Glamorous - She made another splash at the 2018 MTV Video Music Awards, wearing this Rosie Assoulin combo, finished off with another gorgeous pair of pumps by Louboutin.

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Classy -

From very early on, Millie Bobby Brown has worn makeup on the red carpet. 

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Candy colored -

But then, what's this? Dressed in a candy colored Calvin Klein dress with a floral motif (and just look at that lovely silver necklace). So wholesome.

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Country style - A few weeks later during World Children's Day, she dressed up in blue in support of UNICEF. Another lovely dress.

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UNICEF Ambassador -

Now here's a look that suits her well in all aspects. Millie Bobby Brown became UNICEF's youngest ever Goodwill Ambassador at 15 years of age. You really have to wonder how she'll top this!

See also: The evolving looks of the 'Stranger Things' kids.

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