https://je-tall-marketing-806.syd1.digitaloceanspaces.com/research/je-marketing-(166).html
If stylish and complex is what you're going for, consider this sequined ensemble from Alex Evenings.
https://je-tall-marketing-789.tor1.digitaloceanspaces.com/research/je-marketing-(453).html
The navy gown gives the look of separates but is definitely a one-piece.
https://jekyll.s3.us-east-005.backblazeb2.com/20250729-1/research/je-marketing-(378).html
There are ideas here on tips on how to put on pants for the mother of the bride.
https://digi637sa.netlify.app/research/digi637sa-(279)
The cowl neck provides some very subtle sex appeal, the ruching helps to cover any lumps and bumps and the 3D flowers add a sense of luxurious.