Development family is paying tribute to her as only they can. On Wednesday, the actress died in her sleep at her home in New York City, ET confirms. She was 80.

Not long after news broke of her passing, Walter’s co-stars took to social media to share their memories and to honor her. One of Walter’s most beloved roles, respectively, was that of matriarch Lucille Bluth on Arrested Development, a show she starred in for all five seasons.

David Cross, who played Walter’s son-in-law, Tobias Fünke, on the show, was one of the first to post, tweeting, “I just heard the sh**ty news about Jessica Walter an absolutely brilliant actress and amazing talent. I consider myself privileged and very lucky to have been able to work with her. Lucille Bluth is one of TV’s greatest characters.”

Alia Shawkat, who played Cross’ daughter, Maeby Fünke, and Walter’s granddaughter, simply shared a black-and-white photo of Walter as a young woman. “?love you Gangie #jessicawalters,” she captioned the image.

Tony Hale, who portrayed Walter’s son, Buster Bluth, shared a selfie of his onscreen mom, along with a heartfelt message. “She was a force, and her talent and timing were unmatched. Rest In Peace Mama Bluth,” he wrote.

Henry Winkler, who played Barry Zuckerkorn on the series, tweeted, “OH NO …We worked together for years on ARRESTED DEVELOPMENT ..It was an honor to watch her comedy explode from the very first row .”

I just heard the shitty news about Jessica Walter an absolutely brilliant actress and amazing talent. I consider myself privileged and very lucky to have been able to work with her. Lucille Bluth is one of TV’s greatest characters