Four talented cupcake bakers vie for the chance to have their sweets displayed at an anniversary party for Ace of Cakes’ 100th episode. Cake-master Duff Goldman shares his expertise as a guest judge and contestants include: Jessica Cuff of The Coffee Shop (Gilbert, Ariz.), Michael Centimore of Cupcake Charlies (Mashpee, Mass.), Alyssa Magliato of The Perfect Circle Cupcakery (Orange, Calif.) and Erica Tucker of Sweet E’s Bake Shop (Los Angeles).