Rachel Allan 70718 taffeta, applique, beading prom dresses are offered in Aqua, Pink, Red. $698 is the Formal Approach best price guarantee for style 70718 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70718 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.