Rachel Allan 70629 stretch tulle, beading, mirrors prom dresses are offered in Lilac Navy, Royal Black, Sky Blue Navy. $558 is the Formal Approach best price guarantee for style 70629 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70629 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.