Rachel Allan Prom 2020 prom dresses have arrived at Bridal by Viper in Michigan. Rachel Allan established in 1985, is a USA based fashion designer for prom, homecoming, cocktail, social occasion, couture and pageant dresses. Rachel Allan is our fabulous prom and homecoming line, featuring a-lines, two-pieces, mermaids, ball gowns and short cocktail dresses with vibrant necklines and vivacious details. Please make sure to check your measurements with each dress before ordering. Each designer and dress have a different size chart that correlates specifically with each style number. Viper Apparel and Bridal by Viper Apparel is the #1 Prom store in Michigan and the #1 Bridal store in Michigan. Two locations to best serve you for prom dresses and wedding dresses in Michigan.