Rachel Allan 40421 stretch satin jersey prom dresses are offered in Magenta, Marigold, Red, Turquoise. $298 is the Formal Approach best price guarantee for style 40421 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 40421 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.