Emma Watson is best known for playing beloved characters associated with childhood. For some, she’ll always be Harry Potter’s frizzy-haired overachiever Hermione Granger or the bookish Disney princess Belle.

Admit it, it’s hard to believe Emma Watson is 30. The actress has moved on from both roles and stepped into adulthood with grace. She also serves as a United Nations Goodwill ambassador focused on advocacy for women and girls. She’s duty bound to making responsible fashion choices.

As an early adopter of sustainable fashion, Watson has used her visibility to promote brands that represent her beliefs. That means wearing labels that work with zero-waste factories, ethically-sourced materials, and that maintain a commitment to being cruelty-free.

As an actor with access to everything, she could easily rely on runway samples. Instead her high fashion moments have been considered and intentional; she’ll request bespoke pieces that push designers to embrace a green sensibility or opt for vintage. Watson even keeps a separate Instagram account focused solely on her outfits and the labels she feels are doing eco-fashion right. A look back at her greatest red carpet hits is proof that celebrities can align their ethics with their fashion statements.

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In a Ralph Lauren spring/summer 1999 linen dress at Wimbledon 2019.
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in a Teatum Jones “Emma” blazer using wool sourced from the Dead Stock Fabric Mill at the G7 Summit. (2019)
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In vintage Ralph Lauren at the Vanity Fair Oscar Party. (2018)
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In custom Louis Vuitton asymmetrical dress created using Newlife polyester made out of used plastic bottles at the Beauty and the Beast Paris premiere. (2017)
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In a custom Louis Vuitton lace dress made from Oeko-Tex certified materials containing no environmentally harmful substances at the Paris photocall for The Circle. (2017)
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In a Burberry gown made of 100% organic silk, crafted in an Italian workshop where female artisans are 80% of the workforce at the premiere of The Circle. (2017)
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In custom Emilia Wickstead made from end-of-line fabric sourced from couture houses at the Beauty and the Beast London premiere. (2017)
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In a Calvin Klein look created with fabric made from recycled plastic bottles at the Met Gala. (2016)
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In a trench by Behno, a socially conscious fashion label made in India at the premiere of Colonia. Developed in partnership with non-profit, Muni Seva Ashram, Behno pays its garment workers two and a half times the average wage in the area and provides them with health and disability insurance. (2016)
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In sustainable fashion brand, Kitx’s upcycled viscose and organic silk dress at the Museum of Modern Art Film Benefit. (2016)
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In a specially created Christopher Kane dress for the Green Carpet Challenge at the Regression photocall. (2016)
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In vintage Ossie Clark Watson at premiere of Harry Potter and the Half-Blood Prince. (2009)