Sherri Hill 56910 comes in the following colors: Black. $1098 is the Formal Approach best price guarantee for style 56910 by Sherri Hill. Shop with confidence, Formal Approach is an authorized Sherri Hill prom dress store. We only offer authentic designer prom dresses. Sherri Hill 56910 is available in the following sizes: 000,00,0,2,4,6,8,10,12,14,16,18.