NWT Third Form Bouquet Lace Back Slip Dress. White & Cream. Size US 10/ AU 14. NEW with tags. No visible flaws. THIRD FORM Bouquet Lace Back Slip Dress in Flower is a classic chic dress with a slim bias cut body crafted with luxurious viscose fabrication. Featuring a straight cut neckline balanced by an open back with crossed lace-up ties. This quintessential chic dress comes with adjustable lace up straps with invisible zipper closure in the back skirt. The Bodice is fully lined, the skirt half lined. Side split is on the left.