Rachel Allan 70520 stretch tulle, beading, stone beading, organza prom dresses are offered in Emerald, Red Fuchsia, White Silver. $998 is the Formal Approach best price guarantee for style 70520 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70520 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.