Making your own lace petti romper:
1) Do not pre-wash fabric. This romper is meant to be a photo prop and will not be washable.
2) Cut your satin lining to size. My measurements were 13 inches long by 25 inches wide/around.
3) Finish your top and bottom seams by turning them under1/4 inch and sewing near the edge. If you have a serger you can serge the edge first to prevent fraying. If not, it's just a photo prop so it's not going to get a ton of wear and tear anyways.
4) Okay, now we're ready to start sewing on the elastic lace. You want the middle of the elastic lace to be just below the top edge of your fabric as seen below.
5) The lace needs to be stretched to full capacity as you sew. Take it slow here so you can get a nice seam. Sew it along the whole length of the garment using coordinating thread. When you reach the end, cut the elastic off and we'll do the whole step over again (and again and again. . .)
6) Before you start sewing on your second line of lace make a chalk line to guide you. My seams (which remember are in the middle of the elastic lace) were spaced an inch apart. Don't go any further than that in your spacing.
7) Continue in this fashion (making a chalk line and sewing elastic lace onto fabric while stretching to full capacity) until you have filled the whole garment from top to bottom.