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.
American merchants hope Stafford can build upon the growing stylist base.
Her newest scent, Dazzle, the first in her repertoire, is meant to express her own personality.
It’s still unclear how much money the Web site is making off its virtual scrapbooking, but plenty of its members have already found their own ways to cash in.