Personally, I always have headphones plugged into my phone, but if I didn't, I'd gladly have a sweet little bear head.
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)