The designer is focusing on his namesake brand as the company expects to close 2017 with an increase in sales between 20 and 25 percent.
The company was publicly listed in 2013 and its stock price has soared 142.5 percent since then, reaching $1 billion in sales last year while wiping out its debt.
Additional square footage opens the door to exclusive products.
Her stylist, Law Roach, said he hoped a collaboration with the magazine would follow.
Artémis, the investment arm of the Pinault family, has taken a minority stake in Maison Valli and looks to become a majority shareholder at a later stage.