Billie Eilish Wearing Gucci at the 2020 Grammys Decked out in green-and-black Gucci on Jan. 26 for the 2020 Grammys, Eilish wore a lime-green sequined turtleneck with balloon sleeves underneath a black pantsuit set with green rhinestone detailing. She finished the look with black finger-less Gucci gloves and a glittering mesh Gucci mask. Image Source: Getty / David Crotty