Rachel Allan 40517 stretch tulle, beading prom dresses are offered in Aqua Multi, Coral Multi, Emerald Multi, Royal Multi. $578 is the Formal Approach best price guarantee for style 40517 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 40517 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.