Kathy Griffin is not shy about her admiration for other celebrities and their most intimate parts. At the NBC Universal press day last week, an insider overheard Bravo’s “My Life on the D List” star telling a guest, “I bedazzled my vagina . . . it’s the newest trend I learned from Jennifer Love Hewitt.” If you don’t already know, Hewitt recently admitted to George Lopez that she decorated her nether region with stick-on Swarovski crystals. “It shined like a disco ball,” she said.