Rachel Allan 70555 glitter tulle prom dresses are offered in Mint, Orchid, Powder Blue. $718 is the Formal Approach best price guarantee for style 70555 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70555 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.