Sherri Hill 57188 comes in the following colors: Lilac. $598 is the Formal Approach best price guarantee for style 57188 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 57188 is available in the following sizes: 000,00,0,2,4,6,8,10,12,14,16,18,20,22,24,26.