This Dollhouse screencap contains
costume d'affaires and costume d’affaires.
There might also be
costume, costume de vêtements, bien habillé personne, costume, costume pantalon, tailleur-pantalon, pantalon costume, pantsuit, personne bien habillé, and pantalon de costume.
They built the set first! I can't believe that renard signed off on the set building before they had even seen the script, it is a beautiful set though.