Best Bets on TV Tonight

Miss USA pageant (9 p.m., NBC): Carson Kressley figures to add some spice to this year's Miss USA pageant. The style expert from "Queer Eye" will be on hand to provide commentary on everything from the contestants' gowns and makeup to their "onstage presentation." Nancy O'Dell and Drew Lachey are your hosts.
"Celebrity Cooking Showdown" (8 p.m., NBC): Chefs Wolfgang Puck, Cat Cora and Govind Armstrong face off in an exhibition competition. The celebrity winner of the cooking showdown is revealed after previously unseen video from the week's competition.
"NUMB3RS" (10 p.m., CBS): Don takes stock of his life as he investigates the death of an ex-girlfriend under questionable circumstances.