Former White House aide Omarosa Manigault NewmanOmarosa Onee Manigault NewmanTina Fey returns to ‘Saturday Night Live’ as Sarah Palin with advice for Trump staffers Omarosa confirms 's---hole' comments for Nigerian president The Memo: Kelly said to be losing influence with Trump MORE revealed that she would "never" again vote for President TrumpDonald John TrumpSasse: Trump shouldn't dignify Putin with Helsinki summit Top LGBT group projects message onto Presidential Palace in Helsinki ahead of Trump-Putin summit Hillary Clinton to Trump ahead of Putin summit: 'Do you know which team you play for?' MORE

"God no. Never. Not in a million years, never," Manigault Newman said on the season premiere of "Celebrity Big Brother" when asked if she would vote for her former boss again in the future. 

Manigault Newman also revealed on the reality television show that she was "haunted" by Trump's tweets and said the U.S. would not be okay under Trump's leadership. 

“I was haunted by tweets every day,” she said. “Like, what is he going to tweet next?”

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“It’s going to not be OK, it’s not,” she said when asked if Americans should be worried about Trump. “It’s so bad.”

Manigault Newman resigned from the White House in December. 

She starred on NBC's "The Apprentice" during Trump's time as the reality show's host. The two maintained a working relationship after the season ended, CNN reports, and created a dating show called "The Ultimate Merger" in 2010.

She returned to Trump's "Celebrity Apprentice" in 2013 as a contestant. 

The White House fired back at Manigault Newman's comments on Thursday in a press briefing, saying she no longer has contact with Trump. 

“Omarosa was fired three times on ‘The Apprentice,’ and this was the fourth time we let her go,” deputy press secretary Raj Shah said. 

“She had limited contact with the president while here. She has no contact now.”