Credit: Jean Baptiste Lacroix/WireImage
Published: Thursday July 16, 2009 06:00 AM EDT
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World Hunger Relief global spokesperson Christina Aguilera steps behind the mic to shoot a PSA for KFC, Pizza Hut and Taco Bell on World Hunger Relief in Los Angeles on Wednesday. Next up for the songstress: Starring with Cher in the movie-musical Burlesque.
