Recording Academy darling Billie Eilish attended the Grammy Awards Sunday where she ... from grungy loose-fitting streetwear ...

Ahead, see 20 of our favorite Billie Eilish fashion moments ... sustainability by rewearing a green floral silk brocade Gucci pajama set she'd initially worn to the 2020 Billboard Music Awards.

Wearing Gucci, Billie Eilish attends the 63rd Annual GRAMMY Awards at Los Angeles Convention Center on March 14, 2021 in Los Angeles, California. Wearing custom Gucci, Billie Eilish attends the ...

Recording Academy darling Billie ... to stunning Gucci suits. "It's a really scary time and LA is my favorite place in the world and my only home and I care about it so much," Eilish said.