Part 2: Making a Heart Shaped Cake Piping Tips used: Wilton 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 #piping #howto #cakevideo #learnontikok #cakesoftiktok #tiktokpartner