Rachel Allan 70504 stretch tulle, beading, feathers prom dresses are offered in Mint, Nude, Pink, Sky Blue. $798 is the Formal Approach best price guarantee for style 70504 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70504 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.