Rachel Allan 70842 stretch tulle, beading prom dresses are offered in Aqua Blue, Purple Multi, Tangerine Multi. $558 is the Formal Approach best price guarantee for style 70842 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70842 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.