Eva Longoria's divorce hasn't even been finalized yet and the big bad wolves are already knocking at our favorite 'Desperate Housewife's' door. And although Eva finds herself at the top of the most eligible list again, the one person she doesn't need to let in is quintessential ladies man John Mayer.

"John is crazy about Eva," a friend of the crooner tells me. "There is something about newly-divorced ladies that drives him nuts. He was the same way over Jessica [Simpson] when she left Nick [Lachey], and now he has his eye on Eva."