Rachel Allan 70750 glitter tulle prom dresses are offered in Deep Blush, Lilac, Mint. $658 is the Formal Approach best price guarantee for style 70750 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70750 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.