Kathleen McClellan is an American actress, model and TV host. She is best known for playing Jerry Seinfeld's nudist girlfriend Melissa in the Seinfeld episode "The Apology". Her character hung out at Jerry's apartment in the nude (though McClellan has said that she was not actually naked during filming).
McClellan was crowned Miss Illinois Teen USA in 1988 and has modeled for a variety of companies, including L'Oreal Paris. She also hosted TLC's wedding show For Better or For Worse and has guest starred on The Fresh Prince of Bel-Air, Murphy Brown, NewsRadio, Sliders, Suddenly Susan and Two Guys, a Girl and a Pizza Place.