Early yesterday morning in New York City, Jan Hooks died after a battle with an unknown serious illness.
She was 57 years old.
Not long after the tragic news broke, a number of celebrities took to Twitter to mourn and remember the star, who played a major role on Saturday Night Live from 1986-1991.
Here's a rundown of their sad thoughts...
Dane Cook: If you never saw Jan Hooks The Sweeney Sisters sketch search'em & watch her great singing/comedic timing.
Tony Hale: So so gifted. RIP Jan Hooks.
Colin Hanks: Jan Hooks always made me laugh. always.