you are, of course, watching Mad Men?
actually, these actresses are more like the women we are and know, but for film/video/image standards, we call them "curvy" or "big" or whatever (blah). and i realize that the show is going for a realistic vision of women in the late 50's-early 60's, so maybe there's nothing to discuss here. still. nice to see. fabulous show.
here is a major scene, featuring the show's radiant Christina Hendricks as Joan (office manager). Any actress (especially this "curvy" one, i.e., "me") would die to play this: