Rachel Allan 50331 taffeta, sequin prom dresses are offered in Black Tangerine, Navy Fuchsia. $598 is the Formal Approach best price guarantee for style 50331 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 50331 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.