Christy Knowings, 'All That' Cast Member, Dies at 46

Christy Knowings, best known for her time on Nickelodeon's "All That," died on Tuesday. She was 46 years old. According to TMZ, Knowings died of an asthma attack that put her on life support for several days. Knowings starred on the Nickelodeon series from season 4 to season 6, notching 32 episodes in total. She also appeared on three episodes of "Sesame Street," across seasons 39, 41 and 42. Following the news of her death, her former co-star Kenan Thompson posted a tribute on Instagram, saying the news "hit hard." "Rest well Christy!!! Never could have imagined this day!!" . . .