Rachel Allan 70643 stretch tulle, beading prom dresses are offered in Black Nude, Jade Royal, Periwinkle Nude, Red Nude, White Nude. $598 is the Formal Approach best price guarantee for style 70643 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70643 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.