Rachel Allan 70566 glitter, tulle, lace prom dresses are offered in Lilac, Mint, Pink. $598 is the Formal Approach best price guarantee for style 70566 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70566 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14.