Weird news of the day: Yum Restaurants (Taco Bell, KFC, Pizza Hut, A&W and Long John Silver) and The World Food Programme have tapped Spencer Pratt and Heidi Montag to help raise awareness and funds during World Hunger Relief Week, TMZ reports. We're sure Brad and Angelina are shakin' in their boots that Spencer and Heidi are gonna take their place as Do-Gooder Celebs of the Year.

But hey, it kinda fits: greasy food, greasy guy…