Bake and cool Hello Kitty and 2-layer round cake (bake two 1 1/2 in. layers for a 3 in. high cake). Prepare for Stacked Construction. Position Hello Kitty cake on cut-to-fit foil-wrapped cake board. Using tip 3, outline bow and whiskers, pipe in eyes, nose and bow openings. Pat smooth with fingertip. Fill in cake with tip 16 stars.
Tint 72 oz. fondant pink, 4 oz. rose, reserve 2 oz. white. Prepare and cover round cake with pink fondant. Reserve remaining fondant. Position Hello Kitty cake on round cake. Roll out rose fondant 1/8 in. thick and cut out letters; attach using damp brush. For bottom border, roll 1/2 in. diameter balls of reserved pink fondant; attach with damp brush. Roll out white fondant 1/8 in. thick. Cut circles with wide end of tip 3 and attach to cake sides with damp brush.
* Combine Rose with Hello Kitty Red and a little Burgundy for rose letter shade shown.