Rachel Allan 70491 glitter tulle prom dresses are offered in Jade, Light Pink, Powder Blue. $558 is the Formal Approach best price guarantee for style 70491 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70491 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.