Rachel Allan 70663 stretch tulle, beading prom dresses are offered in Black Red, Navy Lilac, Navy Sky Blue, Peacock Gold. $618 is the Formal Approach best price guarantee for style 70663 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70663 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.