Billie Eilish fans can probably recite the lyrics of "Birds of a Feather" line by line, but the truest among us know that the Grammy and Oscar award-winning singer-songwriter also runs a successful perfume empire.

So this has always been my philosophy when designing the bottles for my own fragrances," Eilish said, per Cosmopolitan. "They are all works of art." In a video promoting the perfume, Eilish sits in the corner of silver box,