Rachel Allan 70706 crystal satin prom dresses are offered in Blush, Red, Rose, Sage, Slate. $358 is the Formal Approach best price guarantee for style 70706 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70706 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.