Rachel Allan 70506 stretch tulle, beading prom dresses are offered in Aqua Multi, Light Pink Multi, Lilac Multi. $678 is the Formal Approach best price guarantee for style 70506 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70506 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.