Petite dress by Fashion Union Petite, Polka-dot print, Hits the spot, Ruched front, Adjustable straps, Ruffle hem, Tie closure, Zip-back fastening, Regular fit - true to size. Fashion Union helps you overhaul your party-girl wardrobe with its standout collection. Head out-out in its punch-packing dresses, cheeky twosies and playsuits that have all been scaled down to perfect petite proportions.