1900 French High Society

Bon chic bon genre is a term for fashionable people of good family ("bon genre"), especially in Paris. Le Tout-Paris ("everyone in Paris") is a French expression referring to the fashionable and affluent elite of the city, who frequent fashionable events and places, and establish trends in upper-class culture
The expression tout-Paris was used in the 17th century to refer to "high society" among the aristocratic inhabitants of the city of Paris. 
The current use of the expression tout-Paris dates from the Belle Epoque era of 19th century Paris.