Roll out fondant 1/8 in. thick as needed. Use cookie cutter to cut gown; set over cookie and trim at head, hands and feet to shape gown. Lightly brush gown cookie area with Piping Gel and attach. Use knife tip to score center line. Cut 3/4 in. wide semi-circles or triangles for collars; attach using damp brush. Cut thin strips for sleeve trims and small semi-circles for girl's shoes; attach. Add details using full-strength color flow.