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Christy Knowings, Nickelodeon's 'All That' Star, Dies at 46

other · 2026-08-13

Christy Knowings, celebrated for her role in Nickelodeon's "All That," died Tuesday night in a Los Angeles hospital at the age of 46 after being removed from life support. Her family revealed that she suffered an asthma attack last Friday resulting in brain damage. Knowings was a cast member from 1997 to 2000, appearing in 32 episodes alongside stars like Amanda Bynes and Kenan Thompson. Thompson expressed his sorrow on Instagram, sharing, "Rest well Christy!!!" Knowings, born on February 25, 1980, in the Bronx, also made appearances on "Sesame Street" alongside her twin brother, Chris Knowings.

Key facts

  • Christy Knowings died on Tuesday night in a Los Angeles-area hospital after being removed from life support.
  • She suffered an asthma attack on Friday, which led to brain damage.
  • Knowings was 46 years old.
  • She was an ensemble cast member on Nickelodeon's All That from 1997 to 2000, appearing in 32 episodes.
  • All That featured Amanda Bynes, Nick Cannon, Kenan Thompson, and Kel Mitchell.
  • Kenan Thompson paid tribute on Instagram.
  • Knowings got her break on the Rosie O'Donnell sketch comedy And Now This.
  • She was born Feb. 25, 1980, in the Bronx, New York.
  • Her screen debut was in a guest role on FOX's New York Undercover in 1994.
  • Her last credited role was on Sesame Street, appearing in three episodes from 2008 to 2011.
  • Her twin brother, Chris Knowings, appeared in 109 episodes of Sesame Street from 1996 to 2024.

Entities

Artists

  • Christy Knowings
  • Amanda Bynes
  • Nick Cannon
  • Kenan Thompson
  • Kel Mitchell
  • Rosie O'Donnell
  • Chris Knowings

Institutions

  • Nickelodeon
  • All That
  • Saturday Night Live
  • And Now This
  • FOX
  • New York Undercover
  • Sesame Street
  • TMZ

Locations

  • Los Angeles
  • Bronx
  • New York

Sources