7 Sustainable, Star-Approved Fashion Labels to Honor Earth Month

7 Sustainable, Star-Approved Fashion Labels to Honor Earth Month

These eco-friendly fashion brands count fans such as Leonardo DiCaprio, Jessica Chastain, Patrick Dempsey, Cindy Crawford, Sarah Paulson, Rooney Mara and Katy Perry.

When it comes to the Hollywood event circuit, initiatives such as Suzy Amis Cameron’s Red Carpet Green Dress (which recently celebrated its 10-year anniversary) and Eco-Age’s Green Carpet Challenge have long advocated for earth-friendly dressing. And a growing array of luxury designers, mainstream brands and rising labels are joining the mission to mind the environment beyond the step-and-repeat: Look no further than last week's starry party for the latest H&M Conscious Exclusive organic and sustainable clothing collection.

With the rise of technology that can spin everything from plastic water bottles to sugarcane byproducts into wearable garments, a host of green fashion options make it increasingly easier to cultivate a sustainable and stylish closet. From red carpet regulars Alberta Ferretti and Mary Alice Haney to Rooney Mara's luxe-vegan label and a Meghan Markle-approved sneaker brand, here are seven eco-forward labels to know for Earth Month and beyond.