That is really the only difference
Lets not forget about some major movements from back then like Glam Rock along with Soul and Funk music scenes which really left their mark on style too
Fabric: 100% Polyester, Lining: 90% Polyester, 10% Spandex
Illustration above, Spring 1951: A-ballet length gown with bertha style collar, B-swing coat, C-gown with sweetheart neckline, D-Gown with long sleeves Illustration above, Spring 1949: E-short sleeves with puffed trim, F-sweetheart neckline with lace trim G-draped shelf bra bodice with short puffed sleeves To create your own version of a late 1940's or early 1950's party dress or prom gown, I have found some current patterns that will help you to sew up a vintage party dress of your own
Straight seams and an off-the-shoulder neckline create a slimming waistline, which is then accentuated by soft pleating into a dramatic ball gown skirt that cascades behind the bride as she walks down the aisle