PARIS — Phoebe Philo was supposed to be back by now. Or so her acolytes hoped. In June 2021, the designer announced her return to fashion, through her own new line, three years after stepping down as creative director of the French luxury house Céline.
Since then, the fashion press and her superfans — two groups that aren’t entirely distinct — have wondered: Is this the season that she’ll finally come back? That she’ll bring her…