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Christy Knowings, an actress who starred on Nickelodeon's "All That," died Tuesday in Long Beach, California.

Christy Knowings, known for her role on Nickelodeon's 'All That,' has died at 46 following an asthma attack. Her passing has prompted tributes from co-stars and fans remembering her comedic talent.

Christy Knowings, former Nickelodeon star, passed away at 46 after a severe asthma attack led to brain damage. Known for 'All That', she later pursued music and independent projects.

Kenan Thompson called his 'All That' co-star Christy Knowings, who died Tuesday, ' a real one.'

'Saturday Night Live's Kenan Thompson is remembering his former All That co-star Christy Knowings, who died at 46 Tuesday after being taken off life support following a devastating asthma attack.

She was a familiar face to a generation of viewers.

Former 'All That' Nickelodeon star Christy Knowings has reportedly died after suffering an asthma attack in Los Angeles ...

Christy Knowings, an ensemble cast member on the hit Nickelodeon series "All That," has died.

Christy Knowings, a cast member on Nickelodeon's comedy show 'All That,' has died. She was 46.