Rachel Allan 70707 jacquard, beading prom dresses are offered in Royal, Black. $798 is the Formal Approach best price guarantee for style 70707 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70707 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.