Project Runway's Heidi Klum went undercover as a pizza clerk as part of a CBS show that airs tonight called I Get That a Lot. The show puts celebrities in everyday, ordinary jobs and films how they react to customers who recognize them--or don't. As Klum tells Entertainment Tonight: "I got to be the pizza girl. I got to be someone I am normally not. I was quite rude to people. I would bite their pizza and give it to them. I would drop the dough on the floor, pick it up and use it." [Video, after the jump.... More