A baby doll lingerie is a short nightdress that often shows lace, ruffles, bows or embellishment. Many baby dolls are made from a lightweight, sheer, see through flowing material. The name comes from the 1956 movie “Baby Doll” starring Carroll Baker. Babydoll usually have matching panties and are trimmed with ornaments. A sleeveless, loose fitting top or a bra with an attached loose-fitting skirt, made of sheer fabric, that comes down to anywhere between the navel and the hips, around six-inches above knee.