Hugh Hefner is hoping to convince Oscar-winning actress Kate Winslet to bare all in his Playboy magazine.Winslet  is renowned for stripping off in her films, she has shed her clothes in many of them, including Titanic and The Reader. Winslet recently vowed never to bare all on the big-screen again – but Hefner still hopes to convince the beauty to feature as a centerfold in his magazine.He says, "There’s no question we would be interested in Kate. It’s a competitive market, more than it used to be, so she would be a most welcome addition in our pages."