Plot: Celebrity participants include Wayne Brady ("Let's Make a Deal") working behind the front desk at a nice hotel, style icon Tim Gunn behind the counter at a fast food joint, The Jonas Brothers' Nick Jonas working at a girls' clothing shop, country superstar Wynonna Judd selling tires, Jay Mohr ("Gary Unmarried") as a coffee house barista and television host and lifestyle expert Martha Stewart ("The Martha Stewart Show") as a craft store employee.