Sisters and owners of "Georgetown Cupcake," Sophie and Katherine take on their biggest project ever - Katherine's wedding! Watch the stress and strain of planning take its toll on both sisters, as they fight to get Katherine down the aisle.

The holidays bring the shop much to celebrate and much to do. Sophie and Katherine build a six-foot tall nutcracker and Mommy's decorating the shop for the season, which quickly spins out of control.

The sisters of "Georgetown Cupcake" already believe they make the world's best cupcakes, but now they're out to break the world record for the largest one! With the help of their team, will they succeed in creating a one ton cupcake?