Rachel Allan 70748 crystal organza prom dresses are offered in Hot Pink, Lilac, Powder Blue, Sage. $698 is the Formal Approach best price guarantee for style 70748 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70748 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.