plum purple dress Simple v neck satin long prom purple formal dress Fabric has no stretch AOMEI Women's Dark Purple Irregular

Hawaiian shirt: A timeless and easy option where a couple wears matching Hawaiian shirts

A sequined halter dress or gown gives the sexy edge to catch glimpses at a party or date night

As Mr Porters Style Director put it, smart casual is pretty much anything smarter than a tracksuit, but less formal than a suit . If you received a wedding invitation that calls for smart casual attire, forget the jeans and go with nice chinos instead

In short, 2026 brides are balancing romantic texture with modern sophistication, so choosing lace or floral motifs with refined beading can make a rehearsal dinner dress feel both on-trend and special while still distinct from the wedding gown itself