Rachel Allan 70660 sequin, beading prom dresses are offered in Jade, Orchid, Red. $658 is the Formal Approach best price guarantee for style 70660 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70660 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.