Speaking with StyleCaster in a 2019 interview, Deschanel set the record straight once and for all, as many publications prior had mistakenly assigned blond as her birth hair color. “My hair has been the same color pretty much my whole life,” she told the outlet. “My hair is naturally dark brown. If you look at my family, my dad has dark brown hair. My mom has dark brown hair. My sister has brown hair. All signs point to brown hair.”
From the link you provided.
You’d think they could just take Academy award nominated actress Margot Robbie’s word for it.
You would think someone would take Zooey’s word for it, SMDH.