I guess its called a bubble skirt because of how the skirt is pleated at the top AND bottom and make the middle balloon out a bit....? I saw how you basted the pleats in the outer (print) layer of the skirt and then sewed it on to the lining - I guess the pleats stayed in right? Its hard to see cause of the print.....You didn't add gathers to the bottom of the lining did you? Only the top?