Heart Cake Topper Complete your party look with this cake decoration topper. Cake decoration decorating a cake usually involves covering it with some form of icing and then using decorative sugar, candy, chocolate or icing decorations to embellish the cake. Most cakes are decorated in order to increase the aesthetic appeal of the cake and to provide a decorative flourish, but cakes are also decorated in order to complement or improve the taste and texture of the dessert. In most cases, cakes are decorated in order to improve the visual appeal of the cake.