The showy Saint Laurent rock-n-doll looks should draw the attention of Alexander Wang's cool-kid fans the ones who party all night, or want to look like they do.

WSJ: Bold Fashions for Fall 2013

At Saint Laurent, Hedi Slimane went skinny and rock-n-roll with baby-doll dresses and leather miniskirts.

WSJ: Bold Fashions for Fall 2013