Jovani 42399 comes in the following colors: Navy. $690 is the Formal Approach best price guarantee for style 42399 by Jovani. Shop with confidence, Formal Approach is an authorized Jovani prom dress store. We only offer authentic designer prom dresses. Jovani 42399 is available in the following sizes: 000,00,0,2,4,6,8,10,12,14,16,18.