Mary-Kate & Ashley Olsen's Style, Decoded

We've considered the Olsen twins style icons for as long as we can remember. Yes, even in their To Grandmother's House We Go days, Mary-Kate and Ashley have been setting our #SquadOutfitGoals. They've since grown up and ditched the whole same-outfit-in-different-colors shtick. Nowadays, they prefer luxe staples that reflect not only their individual personalities, but also the sophistication of their adult gig: CFDA Award-winning fashion designers.

Today, the duo turns 30. So, to fete the Olsens, we're looking back at Mary-Kate and Ashley's street style. Celebrate some of their most memorable fashion lessons, like how wearing all-black is still the epitome of chic, how layering can be cool and not miserable, and why comfortable footwear is the way to go (unless your pumps have sparkles on them). Their last and most important lesson, though, cannot be overlooked: how it's physically impossible to look underdressed when draped in Elizabeth and James and The Row.

This is by no means a new exercise for us, so, we'll continue doing what we've been doing for years: stalking Mary-Kate and Ashley's style to discover how to be them.
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Photo: ABFR/AKM Images/GSI Media.
How To Do Grown-Up Matchy-Matchy Dressing
First things first: Come up with a squad uniform. In the Olsen family, all-black (and The Row) is the way to go.

For a similar look, try:
Topshop Leather Shirt Jacket, $475, available at Topshop.
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Photo: GVK/Bauer-Griffin/Getty Images.
How To Dress For Many Climates At Once
Mary-Kate masters the art of airport layering, down to the identity-masking accessories to travel incognito. (The significantly-taller fiancée gives her away, though.)

For a similar look, try:
Mango Premium Linen Coat, $149.99, available at Mango; Shupaca Liviano Bluestone Alpaca, $75, available at Accompany.
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Photo: Alo Ceballos/Getty Images.
How To Layer When It's Not Layering Weather
Ashley doubles up on dresses in the springtime — because when you have so many lovely frocks hanging in your closet, you shouldn't have to pick just one.

For a similar look, try:
Zara Asymmetric Tunic, $49.90, available at Zara.
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Photo: GVK/Bauer-Griffin/Getty Images.
How To Dress For The Airport — Two Ways
Here, we have two takes on how to bundle up for a day of travel — a floor-sweeping, printed, vintage-y kimono for pajama-like comfort on Mary-Kate; and a more subtle, scarf-cardigan hybrid on Ashley. Also, matching bags, because #twins.

For a similar look, try:
H&M Patterned Jacket, $29.99, available at H&M; Boohoo Cross Front Leather Slider, $32, available at ASOS.
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How To Own Your #ShoppingProblems
A situation all too familiar to petite girls — zip-up pants that are too long, but impossible to tailor — aren't necessarily an issue. Take a cue from Mary-Kate, who took advantage of a common sartorial conundrum and used it as an opportunity to showcase some sparkly heels.

For a similar look, try:
Whistles Soft Belted Trench, $330, available at Whistles.
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How To Colorblock Like A Fashion Person
Sometimes, there's room for color in one's wardrobe – if said color comes in the form of a sleek camel coat. We're fans of the Ashley Olsen School of Colorblocking — and The Row accessories.

For a similar look, try:
Stylenanda Notched Collar Double Breasted Coat, $124, available at Stylenanda; Robert Clergerie Zemoc Loafer, $450, available at Frances May.
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How To Face A Sartorial Obstacle
Heels on cobblestone? Ain't no thing for a pair of queens.

For a similar style, try:
Maryam Nassir Zadeh Martina Slide, $408, available at Maryam Nassir Zadeh.

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