Rachel Allan 70501 glitter tulle prom dresses are offered in Lilac, Mint. $598 is the Formal Approach best price guarantee for style 70501 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 70501 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.