#That’s what Shadchanim are for…
Tell her to tell the girl that that’s one area you are having an issue with.
I feel that tznius is something that should not be compromised on if you want to build a true bayis ne’eman.
If she’s the right one, she’ll be happy to change for you.
I know that I struggle with one specific area, and whoever my chassan is, if he is Makpid on it, (which part of me wants, and part doesn’t) I will definitely move away from that particular issue.