Rachel Allan 70740 stretch tulle, beading, taffeta prom dresses are offered in Emerald Multi, Pink, Royal Multi, Tangerine Multi. $598 is the Formal Approach best price guarantee for style 70740 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70740 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.