We Tried A One Size Fits All Bridesmaid Dress And Proved That It Isn't A Myth Amazon.com: Lxhome Long Infinity Bridesmaids Dresses Velvet Formal Dress for Women Transformer Evening Gowns Black One Size : Clothing, Shoes & Jewelry Perfectly executed bridesmaids' dresses courtesy of @loveshackfancy. The idea of one size fits all, you can wear it again looks (for what should be a fashion moment) is finally fading out of style. Hi I am selling 4x lace and favour bridesmaid dresses in baby blue , one size fits all and looked stunning on all of my girls of different heights, shapes and sizes.