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.
The post has been held by Joseph Gromek, who continues as chairman of the board of trustees at Parsons.
The Limited Brands executive, who worked on the original Angels concept, helped raise more than $1.1M for Ohio State University’s new James Cancer Hospital.