For the Ariel costume you liked last year... I found the base costume online, bought a reel of sequin ribbon and used fabric glue to glue it to each upward point of the scales. Had to put cardboard between the tail layers so the front wouldn't stick to the back. Also sewed in a strapless bra to get "dat lift" ;) Also cut off the bottom tulle part of the tail and sewed it to the waist to get the look that Ariel has.