Popsugar Fashion Red Carpet The Best Sustainable, Eco-Friendly Red Carpet Looks 13 Eco-Friendly Red Carpet Looks We're Still Talking About Today April 23, 2020 by Nikita Charuza View On One Page Photo 10 of 13 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 Lupita Nyong'o at the 2016 Met Gala At the 2016 Met Gala, Lupita wore a sustainable Calvin Klein Collection gown that came in a gorgeous shimmering jade hue. Previous Next Start Slideshow Red CarpetFashion TrendsAward SeasonDressesVintageSustainable Fashion