Rachel Allan 70788 stretch tulle, crystal beading, organza lace prom dresses are offered in Lilac, Red, White. $1058 is the Formal Approach best price guarantee for style 70788 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70788 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.