O yes, I am aware that such abominations as chocolate brown tuxedos (can't even type that without a shudder down the spine) exist, and I suppose I'm not shocked, though somewhat dismayed, that some bride has selected them.
It's the combination of such poor taste with outrage at a robin's egg blue spaghetti strap that fails the sniff test. It's like admiring the 6" gel stripper heels, but complaining about the rhinestone tiara.
Speaking of asking for advice, I wonder - if this story is real - whether she was led down this path by a wedding consultant? That would be truly scary.
If the letter is real, the advice is simple: your wedding is going to look like a freaking circus already, so don't sweat the hoochie mama. She'll be the least of your photographic disasters.