Christy Knowings passes away at 46; 'All That' co-stars pay tribute
Actress Christy Knowings, known for 'All That', has died at age forty-six. Her passing followed complications from an asthma attack which led to brain damage. Kenan Thompson and Josh Server, her co-stars, shared heartfelt tributes online. Knowings joined the Nickelodeon series in 1997 and remained for several seasons. This death follows the earlier passing of cast member Kianna Underwood.