Rachel Allan 70732 hologram sequin prom dresses are offered in Lime, Ocean Blue, Purple, Royal. $558 is the Formal Approach best price guarantee for style 70732 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70732 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.