Christy Knowings, Nickelodeon’s ‘All That’ Cast Member, Dies at 46

Christy Knowings, who was a cast member on Nickelodeon’s children sketch comedy show “All That,” died Tuesday. She was 46. Knowings suffered an asthma attack that left her with brain damage, according to TMZ, and she was hospitalized on Friday. TMZ, which broke the news of Knowings’ death, reported that she was placed on life…