Piper is excited to help her mom plan a big party for another girl her age. After all, who doesn t love a good party? But when Piper and her mom arrive, they are in for an unpleasant surprise: A spoiled little girl, a huge mansion, and a list of impossible demands from the birthday girl that includes a real-life princess and grape jelly beans. How will they ever pull off the show-stopping party that Emmy is demanding? It seems like no matter what they suggest, Emmy is never happy. Can Piper help her mom pull off the best party ever? Or will the party turn into a big fat mess?