This Raquel Welch photo contains
robe de dîner, formel, robe de soirée, formelle, robe, demoiselle d'honneur, and demoiselle d’honneur.
There might also be
bustier, épaules nues, bretelles, nus, bretelles épaules, robe de cocktail, gaine, and robe.
From a 1970 Raquel télévision special broadcast. The strange sculptures in the background are from a public sculpture project made for the 1968 Olympic Games in Mexico City.