The French designer was synonymous with striped sweaters and Left Bank insouciance.
The music star had launched the collection last February during New York Fashion Week.
Cuts may be coming to Condé Nast.
Survivors, relatives of the dead and activists blamed foreign retailers, the government and employers for subjecting them to a long delay.
Los Angeles rocker Ariel Pink will perform in the atrium of the Left Bank department store during the opening party Wednesday night.