Pizza Hut

Yum Brands, which owns KFC, Taco Bell and Pizza Hut, is introducing its sixth annual World Hunger Relief fundraiser, to benefit the United Nations World Food Programme and other groups.

Christina Aguilera will be a spokeswoman, and the effort, which encompasses all three brands, will be promoted in their nearly 38,000 restaurants in more than 120 countries. Rather than donations being tied to buying certain menu items, consumers will be asked when they are at the register whether they would like to contribute, as has been the case since the program began in 2007.

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