Nickelodeon Star Dies Suddenly at 46 After Medical Emergency

Albert L. Ortega / Albert L. Ortega, Getty Images Former All That star Christy Knowings has died at age 46 after an asthma attack left her with brain damage. According to a family member, the actress was hospitalized in Los Angeles on Friday after the medical emergency. She remained on life support until her family made the difficult decision to take her off on Tuesday. Knowings first appeared in Rosie O’Donnell’s sketch-comedy special on Nickelodeon, And Now This. She went on to play several…