A former star of the Nickelodeon show "All That" has passed away. Christy Knowings, who was a part of the sketch comedy show, died in California at the age of 46. Further details about the circumstances of Knowings' death are not available in this brief.

For more information, readers can refer to the source. The news of Knowings' death has been met with tributes from former castmates, although the specifics of these tributes are not included here. Readers can find more information through the original source.