Sweet Heart Cupcake is an online game at 43g.Com. You can play Sweet Heart Cupcake in your browser for free.Sweet heart cupcake is the perfect present for your sweetheart. They are super easy to bake and way too fun to decorate. Choose your favorite topping color and sprinkle some cute little hearts on the smooth frosting. They look awesome, very cute and delicious, perfect for your sweetheart!