Make 4 1/4 cups buttercream icing:
Tint 1 1/2 cups blue (thin 3/4 cup with 2 1/4teaspoons light corn syrup)
Tint 1 cup Brown/Red-Red combination
Tint 1/4 cup Lemon Yellow/Golden Yellow combination
Tint 1 cup green
Tint 1/4 cup black Reserve 1/4 cup white
Make 2 3/4 cups royal icing:
Tint 1/2 cup orange
Tint 1/2 cup green
Tint 1/2 cup rose
Tint 1/2 cup Violet/Rose combination
Tint 1/2 cup Lemon Yellow/Golden Yellow combination
Reserve 1/4 cup white
Decorate in Order:
1. One to two days in advance, make flowers. Use tip 2D and royal icing in orange, rose, Violet/Rose, Lemon Yellow/Golden Yellow to make 15 drop flowers in each color on waxed paper covered cake board. Add tip 5 white royal icing dot centers. Make extras to allow for breakage; let dry.
Ice sides and background areas of cake smooth with thinned blue buttercream icing. Build up area between ears with icing to support flower wreath.
Use tip 3 and Brown/Red-Red combination buttercream icing to outline face, ears, eyes, muzzle, mouth, arms, body and legs.
Use tip 3 and Lemon Yellow/Golden Yellow combination buttercream icing to outline top.
Use tip 3 and white buttercream icing to pipe-in whites of eyes, inside of ears and muzzle (smooth with finger dipped cornstarch).
Use tip 3 and black buttercream icing to pipe-in pupils, nose and inside of mouth (smooth with fingers dipped in cornstarch).
Use tip 3 and rose buttercream icing to pipe-in tongue (smooth with finger dipped in cornstarch).
Use tip 16 and Brown/Red-Red combination buttercream icing to cover face, ears, arms, body and legs with stars.
Use tip 16 and Lemon Yellow/Golden Yellow combination buttercream icing to cover top with stars.
Use tip 16 and green buttercream icing to pipe pull-out star grass skirt.
Use tip 352 and green buttercream icing to pipe leaves for wreath on head; position flowers.
Position flowers to form lei around neck and use tip 352 and green buttercream icing to add leaves.
Use tip 18 and blue buttercream icing to pipe shell bottom border; position flowers on top of shell border.