Cheerleader Birthday Party February 21, 2010 Megaphone birthday cake and matching chocolate cupcakes. I made it by carving a megaphone out of a sheet cake and used chocolate molds for the cupcake toppers. Related Share it! Facebook Twitter Pinterest Email Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.