A deal to sell the Dallas-based luxury chain would be difficult to execute.
The designer’s visit drew an A-list crowd in London on Wednesday.
The substance abuse charity held its annual dinner amid New York’s snowy conditions.
The fashion house set the production in the Cour Carré of the Louvre, the site of its big-budget fashion shows for the past few seasons.
Third-quarter results from Nordstrom Inc., Dillard’s Inc. and Kohl’s Corp. showed chains that gained ground over the last few months.