Preheat oven to 350 degrees F (175 degrees C). Grease a 2-quart ovenproof Pyrex glass mixing bowl with shortening and dust with flour.
Prepare cake as directed on box. Pour batter into prepared bowl.
Bake 50-60 minutes or until cake tester inserted into center comes out clean. Cool 15 minutes.
Invert on cake plate with widest part of cake on the bottom. Cool 3 hours before decorating.
Insert a clean doll into center of cake. Decorate the skirt with icing tinted any color or use more than one color. Use a decorator tip to make the skirt as fancy as you like and decorate the top of the doll for the top of the dress also.
