1930s 30s Vintage Slip Dress Sewing Pattern Bias Cut Gown Evening Length Negligee Low Plunge Back Bust 32 34 36 38 40 Etsy Luna Silky Bias Cut Dress Emerald SoldDevastingly seductive 1930's bias cut evening gown with dramatic silk chiffon sash that can be worn in a myriad of ways. Pure old Hollywood glamour, just in time for the holiday season. Oozing old school glamour, these bias cut dresses look like they're straight from the silver screen.