Hef admits to sex with men and sister-in-law: According to the NY Post, the upcoming book, Mr. Playboy: Hugh Hefner and the American Dream reveals Hef had a foursome where he and his brother "swapped wives." The book, endorsed by the porn mogul, also talks about one night of experimental gay sex in Chicago. How is it Hef can still shock us?

Jennifer Lopez is a demanding diva: According to the NY Post, the diva insisted that the Catherine Malandrino boutique in The Hamptons shut down before she entered so that she could shop alone. Although the boutique declined, their source also said, "Then one of her eight-person entourage...was yelling at the clerk that Jennifer gets a 50% discount. Jennifer also tried on about a million outfits, then just threw it all in a pile in the dressing room and didn't buy one thing." We've tried that 50% off request at Target. No luck.

Mistress may testify in Christie Brinkley's divorce trial: According to People magazine, the other woman, Diana Bianchi, has been subpoenaed to testify in the divorce trial between Brinkley and Peter Cook. Bianchi was a teenager when she had an affair with Cook, who was her boss at the time. Their affair is said to be the cause of the split. Last week, Brinkley requested that the details of the trial be made public.