Rachel Allan 70500 glitter tulle prom dresses are offered in Black, Light Blue, Pink. $658 is the Formal Approach best price guarantee for style 70500 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70500 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.