The parents-to-be step out at the Brittania Awards. Plus: Jennifer Lopez, Nicole Richie, Prince William and more


Nicole Richie and dad Lionel celebrate the release of her first novel, The Truth About Diamonds, during an in-store book signing Thursday in New York City. "Part of it is autobiographical," Richie tells PEOPLE of the tome, about Los Angeles party girls, "but it's more exciting if you make things up."