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Rachael Ray and Guy Fieri mentor eight of the biggest names from TV, movies, sports and music as they throw down in an all-out culinary competition and flex their cooking chops to win money for their favorite charity. In each episode, guest judges decide the winning and losing teams, and the bottom two celebrities compete in a blind taste-test challenge with Rachael or Guy as the judge. Each week a different star is eliminated, and in the end, one will be crowned the king or queen of the ultimate celebrity cook-off!