Rachel Allan 40470 taffeta prom dresses are offered in Candy Pink, Peacock, Red, Tangerine, Ultraviolet. $298 is the Formal Approach best price guarantee for style 40470 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 40470 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.