Billie Eilish didn’t arrive at the 2021 Met Gala with a statement written on her garment like Cara Delevingne, Alexandria Ocasio-Cortez, Megan Rapinoe, and Nikkie de Jager did. However, she accomplished something that is going to impact fashion and Mother Earth.The singer and songwriter stepped into fashion’s biggest night wearing a Marilyn Monroe-inspired gown from Dominican American brand Oscar de la Renta.