Watch : Molly Ringwald Reveals 'Harrowing' Experience as Young Actress in HollywoodThere is one secret Molly Ringwald has kept close to the vest. And that is the fact that filming the late 2000s drama The Secret Life of the American Teenager was no walk in the park. “Yeah, that was it—the worst,” she told Andy Cohen during her Aug. 4 appearance on Watch What Happens Live. As the star of The Breakfast Club added, “I love Shailene, there were so many people I worked that were—there was one person that was really difficult. But while she wouldn’t reveal who the mystery person was, she Ringwald confirmed they singlehandedly brought the experience “down to a one.”