Former Alaska Gov. Sarah Palin doubled down on her support of Speaker Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE's primary challenger even after Donald Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE endorsed Ryan.

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Palin, an outspoken Trump supporter, wrote on Facebook that she was "proud to be standing with Paul Nehlen since May 9th."

"Wisconsin, please vote for this man 'of the people' this Tuesday," Palin wrote.

Trump on Friday endorsed Ryan at a rally in Wisconsin after making waves earlier in the week by declining to back the country's highest-ranking elected Republican.

Nehlen on Saturday told CNN he appreciated Palin's support.

"I'm so grateful to Ms. Palin and all the people who've endorsed me."

Nehlen has a very slim chance at winning the primary Tuesday against Ryan, according to a poll this week that showed Ryan leading Nehlen by 66 points.