What is a Sexy Babydoll Nighty? A babydoll nighty is a type of lingerie that is designed to be both sexy and comfortable. It typically features a short, flowing top that is made of lightweight, sheer fabric, and a matching bottom that is either a thong or a bikini. The top usually has cups or padding to enhance the bust and may include lace, ruffles, or other decorative elements. The bottom is usually made of a stretchy fabric that fits snugly against the body, highlighting curves and creating a flattering silhouette. Babydoll nighties are perfect for those who want to feel sexy and confident while lounging at home or sleeping.