Jessica Simpson shares the one piece of advice she would give to her younger self. Reflecting on her career in an ET Retrospective as she celebrates the 20th anniversary of The Jessica Simpson Collection with the launch of her new fragrance, Mystic Canyon, the singer-actress-entrepreneur watched her first ET interview from 1999. "When I look at my younger self, I love everything that she's about to discover," she says. "There's really no advice other than to stay true to yourself." | Entertainme