A question that we commonly get is, “what should I wear to my engagemetn session”? We wrote an article on it HERE, but thought we would provide a few links to show econdly, I LOVE when couples dress up! The outfit you described sounds killer & fabulous!! I would go for it!
Black looks fine in photos, as long as there are other things to break it up (jewelry, maybe not BOTH of you in solid black…)
Here are a couple of shoots where one of the people wore a fair bit of black:
Just for contrast, here are more light & airy wardrobe choices:
Here is a dressy, light & airy shoot with lots of props: