It has a ruched cowlneck with a sweetheart shape and a boned corset to hold you tight
For a sophisticated look, you can choose the grey and blue-toned outfit with matching brown shoes and a brown satchel bag
I just ordered some this morning to do some comparisons
it helps the black shoes recede in the context of overall contrast (whereas something like an oxford shirt in classic white, blue, or stripes-would make them far too conspicuous an element.) Articles like this that explore combinations of smart/casual, texture, colour and contrast are my favorite things to read on PS
Strapless bras can vary in size so you might try going down 1 size for the best fit
You may also find inspiration in our Spring Wedding Guest Dress Ideas and Outdoor Wedding Guest Outfit Guide to expand your seasonal wardrobe with sophisticated, versatile options suitable for elegant celebrations