NBC has unveiled the cast for Celebrity Cooking Showdown, premiering April 17. Working the stoves in tandem with the likes of Wolfgang Puck and Cat Cora will be supermodel Naomi Campbell, Days of our Lives' Alison Sweeney, country crooner Big Kenny, Tom Arnold, the Kansas City Chiefs' Tony Gonzales, rapper Ja Rule, volleyball stunner Gabrielle Reese and Miss USA 2005, Chelsea Cooley. Um, do any of those ladies even eat?