Rachel Allan 50305 stretch tulle, beading, mirrors, chiffon prom dresses are offered in Black Gunmetal Silver, Powder Blue, Royal Multi. $598 is the Formal Approach best price guarantee for style 50305 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 50305 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.