Jeanne Cooper, who rose to stardom as a soap opera actress, died at age 84 on Wednesday.
The veteran thespian is well known for her role as Katherine Chancellor on "The Young and the Restless," where she starred for almost four decades.
According to her son Corbin Bernsen, Cooper died in her sleep Wednesday morning.
"My mother passed away this morning just a short time ago, peaceful with my sister by her side, in her sleep," Bernsen wrote on Facebook.
"She has been a blaze her entire life, that beacon, that boxer I spoke of earlier," he added. "While her light finally gave into the wind that gives flight to all our journeys, there will always be a glimmer left behind for what she stood for."
Furthermore, the actress' son had noted on Twitter that his mother had been enduring an "uphill battle" against an unnamed illness.
Ahead of her death, Bernsen assured fans that Cooper was "resting, in peace, in no pain."
"Where it will lead is now fully in God's hands and we have given over to that, to Him and His plan for her," he posted to Facebook on Tuesday.
There has been an outpouring of grief and support for Cooper's family on social media outlets on Wednesday.
Twitter user Marie posted, "Heaven just gained one feisty angel. RIP the beautiful Jeanne Cooper."
"Rest peacefully," wrote actor Scott Reeves. "We love you and look forward to singing a new song. Psalm 23."
"She was a legend," wrote Twitter user Sami.
Laura added, "Sad day today. RIP Jeanne Cooper. Love and prayers to your family. Hugs to all Y&R fans xo."
Cooper's longtime role on "Young and Restless" earned her 11 Daytime Emmy nominations and a win for Best Actress in a Drama in 2008.
The actress leaves behind three children; Corbin, Caren, and Collin, as well as eight grandchildren.