Former First Lady Melania Trump appeared on Fox News' The Five on Tuesday to promote her new book where she revealed intimate details about what her husband Donald wears to bed.

During her appearance, host Greg Gutfeld asked the 54-year-old former model whether the 78-year-old ex-president ever sleeps. 

'He doesn't sleep much,' Trump said. 'He does of course.'

'Does he wear pajamas?' Gutfeld immediately followed up.

'No,' Trump responded with a laugh.

'What does he wear when he sleeps, Melania?' the Fox News host pressed.

The former first lady continued to laugh before zipping her fingers across her mouth, in a motion that signaled she would not be sharing that detailed information.

The awkward moment of levity came as the usually publicity shy former first lady is out on a media blitz to promote her new memoir titled Melania.

In another moment during her flattery-heavy interview on Fox News, Gutfeld asked Trump whether there is something she would want people to know about her husband that they 'probably don't know that they should know.'

Trump responded that she has some 'cute, nice stories' in the book.

'He's very warm. He's fun. He has a great personality,' she said. 

'And all he wants - he's very passionate about this country - all he wants, he wants to make this country safe, so everybody has a job and enjoying family life,' Trump added.

'He's treating everybody equal,' she claimed of her husband. 'Man or women. He could be tough on a woman. He could be tough on a man.'

'Does he make you laugh?' host Dana Perino asked as the interview wrapped up.

'Yes he does, of course,' Trump said. 

The former first lady has largely avoided the spotlight as her husband mounts his third bid for the White House in an extremely close race against Vice President Kamala Harris.

She has only recently started sitting down for more interviews ahead of her book's drop. 

Besides that, she appeared at the Republican National Convention in July but did not speak. She also attended a mega-fundraiser for her husband's campaign earlier this year.

Speaking on The Five on Tuesday, the former first lady also shared an update on the couple's 18-year-old son Barron who recently started as a freshman at New York University in Manhattan.

 'He's doing great. He loves his classes and his professors. He's doing well. He's driving, and he's enjoying to be in New York City again,' she said.