A recent photo of Kristy McNichol exercising in Los Angeles has sent fans into overdrive, reigniting questions about why the beloved '70s star walked away at the height of her career. The 62-year-old ...

Before teen idols were carefully polished for magazine covers and filtered for Instagram, there was Kristy McNichol. She didn't just act like a teenager-she was one. And more than that, she felt like ...