Fellow comedian Rosie O'Donnell tweeted, "sending love to Julia Louis-Dreyfus reveals breast cancer diagnosis #BEwell".
Even former Vice President of the United States Joe Biden had some words of support, telling her, 'We Veeps stick together.
"I've loved you since SNL, but need decades more, please".
The post comes just after a day the record breaking Emmy victor announced that she is suffering from the life threatening disease in an official statement from her account.
"One in eight women get breast cancer".
Pitch Perfect star Kendrick quoted Louis-Dreyfus's admission on Twitter, and wrote: "F-k. F-k".
We've been a little shaken since finding out that one of our favorites, Julia Louis-Dreyfus, was recently diagnosed with breast cancer. "But a attractive thing happens when you provide care and dignity to these women, there is a ripple effect of better health in their families and communities overall".
"She said is lucky to have the support of family and friends along with "fantastic insurance".
"Veep" writers will continue working on scripts and production will be adjusted as needed, HBO said.