“Top Chef” hottie Sam Talbot is separating from his wife, Colombian T-shirt designer Paola Guerrero. Talbot, who runs the restaurant at popular Montauk hangout Surf Lodge, had been married to Guerrero for little more than a year. A source tells Page Six he’s been seeing fellow Bravo star Kelly Bensimon (of “The Real Housewives of New York City”) since the split, but his rep vehemently denies it.