Decorate doll. Using Pink icing color, tint ½ oz. white fondant light pink. Using 9 in. fondant roller with pink guide rings, roll out fondant. Using smooth side of “C” leaf cut-out, cut two tail fins (flip one to create mirror image of the other). Reserve remaining light pink fondant.
Using tip of modeling stick, add veins to fins. Using knife from fondant tool set, cut small slit in tip of tail on each side. Insert fins into slits, using piping gel to secure fins to tail and cake.
Using reserved light pink fondant, roll log with narrow ends, measuring about 3½ in. long. Using piping gel, attach around waist of doll. Reserve remaining light pink fondant.
Using 9 in. fondant roller with pink guide rings, roll out remaining light pink fondant. Using smooth side of “F” oval cut-out, cut two ovals. Using needle tool, shape and form into shells. Attach to doll using piping gel. Use any remaining light pink fondant to make thin straps for middle and sides of doll top.
Using narrow end of 12, cut 3 light pink fondant circles. Using tip of modeling stick, form each circle into 6-petal flower. Attach to ponytail or hair of doll with small amount of piping gel. Using needle tool, poke hole in center to give flower added shape and dimension.
Reserve any remaining light pink fondant.