Which outfit is sexier for a date?

A sounds like a low-rent hooker. B sounds like a more middle class hooker. It depends upon what impression you wish to convey.

Belly button rings are not sexy

too sexy and he will think u r a hoe

The jeans I think

A. Going braless in the crop top would be sexiest.

It depends what you are going for. If you are going more feminine then go with the skirt but also consider if it's going to be cold.
Jeans are great even if it is cold you wouldn't really feel it and if it's hot then you can easily take off your jacket.

Personally I go for the jeans.

I would go with the jeans one. It still looks good without showing off too much. The boots are really what's going to make it look sexy.

A. Skirts are classier and more feminine than jeans and they highlight your curves better.

The jeans outfit. The boots are what makes it really sexy

depends where your going