Jenny McCarthy, the 39-year-old blonde bombshell, is feeling sexier than she ever has, and she’s proving her point with a nude pictorial in Playboy! The “Love in the Wild” host is making her sixth cover appearance on the legendary men’s magazine in the July/August double issue, which hits newsstands Friday. McCarthy tells People magazine that she’s never felt better about her body and wanted to show that you can be sexy at any age. "I'm really proud of it," McCarthy says. "The pictures are really…