Rachel Allan 70670 stretch tulle, beading, feathers prom dresses are offered in Gold, Jade, Red. $998 is the Formal Approach best price guarantee for style 70670 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70670 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.