Rachel Allan 70783 stretch tulle, beading prom dresses are offered in Emerald, Emerald Multi, Royal, Tangerine Multi. $758 is the Formal Approach best price guarantee for style 70783 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70783 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.