Rachel Allan 70726 tulle, glitter tulle, sequin applique, taffeta prom dresses are offered in Black, Red, Royal. $538 is the Formal Approach best price guarantee for style 70726 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70726 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.