Rachel Allan 70550 glitter, glitter tulle, beading prom dresses are offered in Ocean Blue, Purple, Red. $798 is the Formal Approach best price guarantee for style 70550 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70550 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.