Wine Tasting Course Uk

Black sequin dress OR Pink tulip dress on an evening date?

Im going on the last date with my boyfriend before he leaves town for his new course…. To create a picture, the plan is to go wine tasting then dinner then a long walk down the bridge. I have two choices:
http://www.warehouse.co.uk/fcp/product/fashion/Dresses/photographic-rose-print-dress/13021 [...]