I Get That A Lot

Hidden cameras are used to capture the celebrities on the job, and when they are recognized they deny it and say "I get that a lot", except at the end of the segment at which time the cameras are revealed and they come forward about their identity. Episode one
The first episode had supermodel Heidi Klum working at a pizza shop, rapper and actor Ice-T selling shoes, Survivor host Jeff Probst working a cash register, country music star LeAnn Rimes waiting tables, singer and actress Jessica Simpson working as a computer technician, Extra host Mario Lopez selling hot-dogs from a vending stand in Central Park, and Subway spokesman Jared Fogle working at a Subway.