Five-time Grammy Award winner Christina Aguilera is helping your local KFC, Pizza Hut and Taco Bell restaurants fight hunger by lending her voice as global spokesperson for their World Hunger Relief campaign. Her image will appear in KFC, Pizza Hut and Taco Bell restaurants around the world - to drive awareness, spur volunteerism, and raise funds to benefit the United Nations' World Food Programme and other hunger relief agencies.More on Christina Aguilera, Yum! Brands, and the fight to end world hunger through the World Hunger Relief Campaign