To applause and laughter, the media titan continued that she was "not trying to test any waters". He hit the trail Thursday with Vice President Mike Pence.
Trump is supporting Republican Senate candidate Josh Hawley, who is seeking to unseat Democratic Sen.
"I am an independent woman; I have earned the right to do exactly what I want to do when I want to do it".
Staunch conservative Kemp, who embraces Trump's hard-line on immigration, brandishes a gun in his campaign ads, blasts Abrams as a tool of "socialists" and "Hollywood elites" who "want to turn Georgia into California". "I'm kind of a big deal too and I've got a message, I've got a message for all of Stacey Abrams' liberal Hollywood friends. This is really going to make [Abrams], I think, the next governor of the state of Georgia".
Vice President Mike Pence said Thursday a vote for Brian Kemp is tantamount to support for President Donald Trump, as he assailed Democrat Stacey Abrams and her high-profile supporters at a rally that attracted thousands in Dalton.
"Brian Kemp's getting the support of all kinds of hard-working, good people all across Georgia, and Stacey Abrams is being bankrolled by Hollywood liberals", Pence said.
More than 1.5 million of the state's nearly seven million registered voters have cast ballots already.
Winfrey also said she invited herself to campaign for Abrams, and had not been brought in by anybody but herself.
"Down here in Georgia y'all going door to door".
She touts her experience working with Republicans as a state legislative leader, but she doesn't back down on her promises to expand Medicaid insurance, prioritize public education and push for tighter gun restrictions.
As a black woman, Winfrey noted her kinship to two groups historically denied ballot access in the United States.
"I absolutely am", the wide-eyed, smiling woman responds. "Do you have an early voting plan?"