She has a new book, in which she has accusing him of displaying odd behaviors and using racially charged epithets.
Newman's book, "Unhinged: An Insider's Account of the Trump White House", which is set to release Tuesday, has already caused quite a stir over the numerous accusations she lobs at the man she worked so closely with for more than a decade.
In excerpts from the book entitled Unhinged, which were first reported by the Guardian, Manigault Newman claimed the president had used the "N-word" repeatedly, and also used racial slurs to refer to George Conway, the half-Filipino husband of the top White House aide Kellyanne Conway. "I said, 'Instead of the Bible?'" she claims to have said.
The president tweeted about the event, saying "hundreds of bikers for Trump just joined me in Bedminster" and called them great people who love our country. She acknowledges she had never been able to obtain or hear the tapes but said three unnamed sources had described their contents.
Manigault Newman went on to become Assistant to the President and Director of Communications for the Office of Public Liaison. He responded: "Lowlife. She's a lowlife". But that offer came along with a stringent nondisclosure agreement that was as "harsh and restrictive" as she had seen while working in television.
Newman was once a vocal supporter of the president but has been fiercely critical of him in the months since she left the White House.
She wrote the book after Trump fired her.
"She's a lowlife", he said, according to the Associated Press.
"It's sad that a disgruntled former White House employee is trying to profit off these false attacks, and even worse that the media would now give her a platform, after not taking her seriously when she had only positive things to say about the President during her time in the administration", Sanders said.