Entertainment Tonight on Instagram: "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 th