Rachel Allan 40415 sequin, applique, beading prom dresses are offered in Lilac Multi, Powder Blue Multi, White Multi. $458 is the Formal Approach best price guarantee for style 40415 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 40415 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.