A former star of the Nickelodeon show "All That" has passed away. Christy Knowings was 46 years old at the time of her death. According to reports, complications from an asthma attack led to her passing.

Further details are available from TMZ, who reported on the incident. Local readers can find more information on this story through the original report from TMZ, as available details are limited to the cause and age at the time of death.