Be the Belle of your school formal ball and shop the range of black formal dresses online at Swish. Our online dress shop has long black formal dresses for all occasions. Your school formal ball is an important time in your life and you want to feel special. Try the Langhem Robyn long black evening dress for your school formal ball. This evening dress has been spotted on red carpets around the world with celebrities loving this style. This gown features double straps making it a bra friendly style. The skirt is crafted from a sheer chiffon and falling to the floor in a sweeping style. If you're looking for party perfection in your evening dress you can't go past the Langhem black Millar evening gown. Featuring a high neckline with a thigh split to mid thigh, this dress is an ideal choice for your night of nights. Swish offers a free delivery service Australia wide for all school formal dresses.