Hillary Clinton went on a “f***-laced fusillade” against “disgusting” Donald Trump during a 2016 debate preparation session amid her frustration of appearing inauthentic to voters, a new book about the presidential campaign claims.

New York Times reporter Amy Chozick released her new bombshell book, “Chasing Hillary: Ten Years, Two Presidential Campaigns, and One Intact Glass Ceiling” on Tuesday.

The inside story of the campaign details how Clinton, struggling to portray herself as genuine to voters during the 2016 campaign, unleashed a profanity-laced tirade about Trump to her aides to prove that she can be authentic.

“Aides understood that in order to keep it all together onstage, Hillary sometimes needed to unleash on them in private,” Chozick wrote in the book, according to the Guardian.

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