Francesco Risso will become creative director of the label.
The designer had most recently been freelancing after running his own label and working at Cerruti and Jack Wills.
The actress was in Paris for the French premiere of “Les Misérables” and is believed headed to London for Sunday night’s BAFTA Awards.
Consuelo Castiglioni flew into town for the party at Marni’s Meatpacking District store on Tuesday night and festivities at Saks the following evening.
Back for a fourth time next month, 10 former fashion fund designers will show their fall collections in a communal space during Paris Fashion Week.