You don't say which figure you're looking to dress.  DAZ had a whole '50s theme going awhile back. Like this for Genesis:

http://www.daz3d.com/clothing-accessories/miss-fishers-wardrobe-feminine-wiles

And here's a freebie at ShareCG.  I believe there's a Genesis version, as well as V4. 

http://www.sharecg.com/v/55801/View/11/Poser/Classic-Chick-GalPal-II