maternity dress white long Angel Roxy Lace Baby Shower fitted without being too body hugging and flows down to your feet in a nice mermaid style train White Open Knit Crochet Maternity

Buy Uniquelly Womens Flat Oxfords Patent Leather Pumps Pointed Toe Lace Up Office Uniform Dress Shoes (Black,US4) and other Shoes at Amazon.com

This one has a full skirt with a big train...and no slit: I saw the above listing in the same shop (Sunmade Seams) where I purchased the bridesmaids dresses

Azazie Bondi Burnt Orange A-Line Side Slit Velvet Dress Burnt Orange A-Line Side Slit Velvet Dress velvet chiffon stretch satin Olive Emerald dusty blue dusty rose Grape Terracotta Cabernet Umber Burnt Orange Champagne Espresso black Save 15% with Home Try On Choose up to 6 dresses to try at home, keep your favorite(s) and save 15% off retail price

That alleviates the weather issue

Floral and Printed Minis Reformation Kenzi DressWith a sweetheart neckline and an empire waist, this floral babydoll dress is perfect for a summer party or wine tasting