Navy dresses are all the things you said about black (reusable, slimming, etc.)
In fact, there's really only one big rule to remember when deciding what to wear to a bachelorette party as a guest: avoid white (unless the bride specifically asks you to wear it)
Sam styled this black shirt dress like more of a kimono that you could wear for a girls night which I love
The silhouette is classical, representing timeless elegance
What color shoes go with a black prom dress
Australia, Canada, France, Germany, Hong Kong SAR, Italy, New Zealand, Spain, Switzerland, United Kingdom, United States, China, Austria, Belgium, Cyprus, Denmark, Finland, Greece, Iceland, Ireland, Israel, Japan, Jordan, Kuwait, Lebanon, Malaysia, Mexico, Netherlands, Norway, Philippines, Portugal, Singapore, South Africa, South Korea, Sweden, Taiwan, Thailand, United Arab Emirates, Oman