Comedian Celeste Barber.
"This is out of control! You are all out of control,"she wrote."My love and appreciation for you all is out of control. Unfortunately today the fires are due to get even more out of control."
RFS spokesman Matt Sun told theHerald they had heard about the extraordinary generosity prompted by Barber's social media post.
"It's a phenomenal effort and thanks to generosity of everyone who donated,"he said.
NSW Premier Gladys Berejiklian declared a state of emergency across the stateas tens-of-thousands of people were fleeing devastated areas on the NSW South Coast ahead of the worsening conditions on Saturday.
Barber has also been critical of Mr Morrison,retweeting a post by columnist Van Badham with the comment:"He walks away from her. Just turns his back and walks away."
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Barber also tweeted on December that her sons had approached firefighters to thank them for their efforts.
"My boys and I went up to some of the @NSWRFS at the airport,"she said."We said thank you. I cried. They shook my boys hands. I cried. My boys wished them a Merry Christmas. I’m still crying."