Learn how to make a Barbie Doll Signature Cake with a step-by-step cake decorating demonstration by a professional cake decorator. From assembly to the .brBarbie is the original doll cake but who ever said she couldnt be a rock star? Learn how to make DecoPacs Rock Star Barbie Doll Signature Cake. To find .brDoll cakes are a must-have for your bakery. Learn how to assemble the Barbie Doll Signature Cake from DecoPac. This assembly process works for every .brKoalipops is back, and this time he brought Cinderellas ball gown with him. We think this one gives the original a run for its money. For more videos like this .