long sleeve formal white dress Andrea Maxi Off White White Fitted Long Sleeve Gown

High-Slit Dress High-slit dresses are a sexy and stylish option for summer weddings

Wear this fun, fuchsia number to an evening semi-formal event

As Mr Porters Style Director put it, smart casual is pretty much anything smarter than a tracksuit, but less formal than a suit . If you received a wedding invitation that calls for smart casual attire, forget the jeans and go with nice chinos instead

Add more cheese

I dont expect everyone to pack a dress for each night and heels for each outfit (although, Ive done this for 3 of the cruises) but going back to your room to change out of your swimwear does show a little more respect to the cast