One white. One black.
The dresses are plain, short, of the sort sold by the Gap, or American Apparel. Nothing special, but form-fitting, flattering.
Each dress adorns a woman wearing nothing else, save plain cotton boyshorts in the same color as her dress. The blonde wears the white; the brunette, the black.
They stand, hands against the wall, legs spread just beyond shoulder width, pussies dripping, waiting for what comes next.