Belle Epoque is French for beautiful and it start at the end of the 1800s and ended at the start of WWI.
It was a period of optimism, peace at home and in Europe. The peace in Paris allowed the Arts and Fashion to flourish.
Belle Epoque styles were fashioned at the cabaret by all of the dancers. Toulouse Lautrec transformed Belle Epoque by taking some dancers and using them for his iconic poster art.