ALL That star, Christy Knowings is dead at 46-years old.
According to TMZ the TV star died suddenly in Los Angeles on Tuesday.
Family members told the outlet that Christy suffered an asthma attack on Friday which left her with brain damage.
They ultimately decided to take her off life support earlier this week.
Christy appeared in three seasons of All That, starting in 1997.
She has also appeared alongside her twin brother, Chris Knowings, in 3 episodes of Sesame Street.
This is the second All That cast member to die this year.
Kianna Underwood was killed in a hit and run crash at the start of the year.
She was 33-years-old.
All That was a popular Nickelodeon sketch comedy show, described as a Saturday Night Live for a younger audience, and starring Amanda Bynes.
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The show ran from 1994 until 2020.
Also starring on the show over the years was Amanda Bynes, Nick Cannon, Kel Mitchell, Kenan Thompson, Jamie Lynn Spears and Lori Beth Denberg.