"It was the idea that anyone literally could go out now and buy Lily's outfit," says costume designer Julian Day, about Lily James's late-'30s pantsuit and cottage-core aesthetic.
Julian Day enjoyed creative license in dressing the legendary frontman off-stage, too.
Costume designer Julian Day walks us through her character's looks, from a salty '50s diner waitress to an underground club owner with a taste for Agent Provocateur sets.