Sustainability is becoming the biggest fashion statement on global red carpets, and celebrities are embracing eco-conscious glamour like never before. From archival vintage looks and heirloom jewellery to recycled couture and outfit repeats, stars are redefining luxury fashion with responsibility and style. From Cannes to the Met Gala, sustainable fashion is no longer just a trend — it’s a movement shaping the future of celebrity style and global fashion culture.