In a small bowl, combine flour, baking powder, and salt.
In a separate small bowl, stir together milk and lemon juice. Let sit to create buttermilk.
In a large bowl, mix together sugar and melted butter. Add in eggs one at a time until well blended. Alternate blending in flour mixture and buttermilk to the butter, sugar, and eggs. Mix just until combined.
Scoop cupcake batter into liners ¾ full.
Bake at 350° for 20 minutes or until toothpick or cake tester comes clean. Cool on wire rack.
To make frosting, sift confectioners sugar then mix with softened butter, milk, and orange oil until smooth and creamy.
Separate out a couple spoonfuls of buttercream into a small ramiken. Add red food coloring until desired shade is reached.
Use a very small round decorating tip for the red buttercream frosting and a large circle tip for the white buttercream.
To frost the cupcakes, start on the outer edge and squeeze the icing onto the cupcake going in a circular motion all the way around to the middle, overlapping each layer slightly.
Pipe tiny dots, circular patterns, and ribbons around the cupcakes. Top with Disney sugar candies. Enjoy!