The incoming First Lady wore a pale blue cashmere ensemble.
The candlelight dinner will be held tonight at Union Station.
The designer talked with WWD on Tuesday, just after he toured his glamorous new 1,600-square-foot shop-in-store at Saks Fifth Avenue.
Government officials and retail executives pulled the curtains back on the 1.2 million-square-foot terminal Thursday.
Firm will be on the sidelines of the acquisitions arena for at least two years as it completes its unexpectedly bumpy integration of The Warnaco Group Inc.
She had been the editor of Strategist, the magazine’s service section, for a little more than a year.