Rue des Petits-Champs is a way of 1st and 2nd districts of Paris. It was opened in 1634 during the construction of the Hotel du Cardinal de Richelieu under the street name Bautru, then rue Neuve-des-Petits-Champs, as it prolongs the rue Croix-des-Petits-Champs. Mr Binet, the wig of King Louis XIV was still there. Some of the wigs he created for the Sun King were extravagantes was born the phrase "having a funny smiley.