Charli's bestie O'Connor help make 'Brat' a phenomenon and we have a theory he'll be part of her buzzy new movie, too.
11hon MSN
Inside Billie Eilish's World of Fragrances, Including the Brand New Your Turn II [Exclusive]
Cosmo sat down with the "Birds of a Feather" hitmaker and Eilish Fragrances founder to talk all things perfume.
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