Kleenex boxes are not so cute, just be careful to not blow your nose on Eeyore.
There's no shame in loving cupcakes more than anything else in the world. Go nuts, put cupcakes on everything! What harm can it do other than making everyone around you hungry?
Available at: Modcloth http://www.modcloth.com/store/ModCloth/Apartment/Gifts+Electronics/Have+Eyes+for+My+iPhone+Case+in+Cupcake ($15)