How Would You Decorate a Nine Yr Old Girl's Birthday Cake?

This girl is turning nine . Her mother has family members turn in sketches for a custom made birthday cake which is often a 2 layer wedding cake design. Last year the winner drew big flowers and butterflies. I’m thinking of “imagine” with cats and dogs together and a peace sign (she wears peace sign earrings)but it’s probably too complex.
Any ideas? She loves butterflies and animals.