All That alum Christy Knowings dies at 46 after asthma-related brain injury

Christy Knowings, a regular on Nickelodeon’s All That from 1997–2000, died at 46 after an asthma attack left her with brain damage; she was on life support and her family decided to remove her on Tuesday. Known for characters like Jessica, Penny Lane and Gloria Bankhead, she later appeared on Sesame Street with her twin brother, and released a 2020 track 'To the World.' Her death follows fellow All That alum Kianna Underwood’s January death.