Prepare batter following recipe directions, then tint it rose. Bake and cool 2 cakes. Prepare buttercream icing following recipe directions. Tint 4 different shades of rose. You will need more of the lightest shade of rose for icing and decorating. Torte, stack and fill for a 4, 1" layer, 5" high cake.
Use spatulas and lightest rose icing to ice cake smooth.
Using tip 2D, cut disposable decorating bag and dark rose icing to pipe 2 rows of stars at bottom of cake. Continue piping star rows using tip 2D and tinted icing from the next darkest through lightest rose icing, bringing the last color over to cover the cake top.