Part 2: Making a Heart Shaped Cake Piping Tips used: @wiltoncakes 4B, 21, 103. I used my Vanilla American Buttercream for the exterior of the cake, as well as all of the piping details. #theblondewhobakes #cakes #cake #cakedecorating #food #foodie #heart #heartcake #frosting #insta #instagood #instafood #piping #howto #cakevideo #lifehack #life #instagram #learnoninstagram #cakestyle #cakesofig #cakesofinstagram #lifehacks #heart #delicious #cutecake #dessert #birthday #birthdaycake