cream satin slip dress 1930's Silk with Embroidered Chiffon Bust – Eveliina Vintage Crafted from soft viscose Silk Maxi Slip Dress, Cream

The cups are slightly padded and are also cut low, so you have the option to go braless when wearing lower-cut necklines

J.Crew x Anna October V-Neck Slip Dress For a special summer soire

Self: 100% Rayon, Contrast: 100% Polyester

Not sure if they are reserving *ample* margins for problems like the one you mentioned with recovering VAT (they also ship DDP), but making the customer pay about twice the VAT upfront hardly feels like a proper solution of the issue to me

If marked as delivered in the last 24 hours, give it one more day (unless your event is urgent), as carriers will sometimes mark a package as delivered prematurely