melissa and doug dress up & Magnetic Dress-Up 38 Pieces Number 146 4 wooden magnetic dolls to dress in coordinating mix Melissa & Doug Joey Magnetic
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Look for brands like Davidsons Safest Choice

What was popular for evening wear in the 1930s

As the days stretch longer and the sun lingers well into the evening, a blue summer dress becomes an effortless staple for anyone seeking comfort and style during the warmer months

(Or maybe a hired coordinator or rental company may do that for you?) You can be a DIY couple or hire a person to do that for you
To add formality to an outfit without a jacket, one could opt for a waistcoat

Lets review 13 cocktail dresses for your holiday cruise