Carnival Cruise Line Addresses Attire Concerns for Formal Night Old Money Evening Gowns MSC Cruises Formal Nights Everything You Need To Know Emma Cruises Carnival Cruise Line's "Elegant Night" is a special evening where passengers are encouraged to dress up in their finest attire. While it's not strictly enforced, it's a great opportunity to feel glamorous What should you wear on cruise elegant night? That can be a tricky question because each cruise line has its own policies, and some are stricter with enforcement than others. Heres what to expect