Rachel Allan 70664 satin, beading prom dresses are offered in Emerald, Fuchsia, Royal. $598 is the Formal Approach best price guarantee for style 70664 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70664 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.