Which of these " little black" cocktail dresses from the 1950's would you love to have in your wardrobe ?

1) Norman Norell cocktail dress, owned by Lauren Bacall, 1955.

2) Vintage 1950s Black and Pink Flocked Cocktail Dress

3) 1950's black taffeta polka dots cocktail dress

4) 1950's black cocktail dress with navy blue details and beaded overlay red long sleeve short homecoming dress