Sherri Hill 55721 comes in the following colors: Red, Ivory, Black. $450 is the Formal Approach best price guarantee for style 55721 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 55721 is available in the following sizes: 000, 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18.