7 Trends the Olsen Twins Started

In honor of Mary-Kate and Ashley Olsen’s birthday, we’re taking a look at trends the sisters have made very popular over the years. Though they may not have been the first to wear each item, they certainly deserve credit for making these trends relevant again by putting a very stylish and current spin on each!

Scroll down for the seven Olsen-approved trends!

1. Birkenstocks

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CWNY/FameFlynet Pictures

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Mandatory Credit: Brian Flannery/Flynetpictures.com

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Pacific Coast News

Shop Birkenstocks

2. Boho-Inspired Dresses

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Johns PKI / Splash News

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Blayze / Splash News

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Rabbani and Solimene Photography/WireImage

Shop boho-inspired dresses

3. Boyfriend-Style Button-Down Shirts

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Teach/Flynetpictures.com

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Splash News

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Todd Williamson/WireImage

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PacificCoastNews
4. Oversize Outerwear

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Christopher Peterson/Splash News

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Flynet Pictures, Inc.

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Wagner Az/AKM-GSI

Shop oversized outerwear.

5. Retro-Round Sunglasses

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KCSPresse / Splash News

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Getty Images

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Wagner Az, PacificCoastNews.com

Shop round sunglasses

6. Stacking Bracelets

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Andrew H. Walker/WireImage for VERSUS

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Richie Buxo / Splash News

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George Pimentel/WireImage

Shop bracelets

7. Turbans

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Michel Dufour/WireImage

Shop turbans

 Which Olsen-approved trend is your favorite? Let us know in the comments below!