Billie Eilish wore a baggy black Prada ensemble and debuted a new shorter hairstyle at the 2025 Grammy Awards, where she was ...

But then, fast forward to the 2000s and early 2010s, and the hat also inexplicably became an indie sleaze staple in the UK ...

Eilish also added small black Chrome Hearts sunglasses and a black Prada sailor hat, which showed off her choppy, face-framing layers. The rest of her dark hair appeared to be secured into a low bun.