Check It Out: Joan Collins likes faces. Kirstie Alley goes for blue eyes. Tina Turner says it's nice hands and feet. So go the answers from celebrities who reveal in the October Cosmopolitan magazine what parts of a man turn them on the most. Barbra Streisand said of former husband Elliott Gould, "I fell in love with the back of his neck." The famous females also tell what they don't like. Cher is down on brown eyes. Raquel Welch and Maria Conchita Alonso said men with overdeveloped muscles don't do much for them. And says Jane Fonda: "How he looks in a bathing suit should not be discounted. The fact is, I stare at men quite a lot."