The Trump campaign is hitting back at Omarosa Manigault NewmanOmarosa Onee Manigault NewmanSales of political books up 25 percent in 2018: report Woodward book breaks 93-year publishing record Stormy Daniels announces new tell-all book: 'Full Disclosure' MORE’s claim that she and other women were pressured to “wear dresses and heels” during President TrumpDonald John TrumpSunday shows preview: Trump sells U.N. reorganizing and Kavanaugh allegations dominate Ex-Trump staffer out at CNN amid “false and defamatory accusations” Democrats opposed to Pelosi lack challenger to topple her MORE’s 2016 White House bid, saying the story is “ludicrous and delusional.”

In “Unhinged: An Insider's Account of the Trump White House,” Manigault Newman's controversial tell-all released Tuesday, the former White House aide writes that, during the 2016 campaign, Lara Trump pushed women to adhere to a specific dress code.

"Whether we did a fancy reception, like in Charlotte, or an arena rally in the Rust Belt, Lara insisted that we wear dresses and heels,” Manigault Newman writes. Lara Trump is married to the president’s son Eric TrumpEric Frederick TrumpAvenatti attacks Trump campaign over fundraising photo: 'What a joke' Ex-Trump, progressive strategists battle over charges of anti-Semitism surrounding Eric Trump Bill Kristol slams Eric Trump over 'shekels' comment MORE and is working on her father-in-law’s 2020 reelection campaign.

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“Many of us would have preferred campaign T-shirts and jeans. But Lara always reinforced that 'Trump men' required 'Trump women' to look and dress a certain way, and because we were on the Women for Trump tour, we weren't allowed to wear standard campaign T-shirts,” Manigault Newman, a former “Apprentice” contestant, claims in the book.

"We pushed back, and eventually designed pink Women for Trump jackets and T-shirts as a kind of uniform for the rallies, and Lara reluctantly approved them in the last two weeks of the campaign, but only if we wore short skirts and heels with the jacket or skinny jeans or slacks,” Manigault Newman says.

A Trump campaign official blasted the notion of an attire requirement, telling ITK, “The suggestion that Lara Trump or anyone imposed a dress code on the members of the 2016 Women for Trump tour is ludicrous and delusional.”

“The idea that Trump women would dress a certain way for Trump men is antithetical to the bold and independent thinking that women who support Donald Trump represent,” the official said, saying Manigault Newman was “again fabricating fiction to serve her self-promoting needs.”

Manigault Newman writes in her book, “If you look at photos of those appearances, we look like we're about to go to a cocktail party, not a campaign rally."

In a photo provided by the Trump campaign that it said was from an October 2016 campaign event, Lara Trump, Manigault Newman and other Trump surrogates are seen sporting matching pink V-neck T-shirts, pants and flats. Manigault Newman is seen with the cuffs of her pants rolled up and a shirt tied around her waist.

“The women discussed everything collaboratively,” the Trump campaign official tells ITK, “and always matched attire with the event or occasion.”

The White House has fiercely denounced the claims made in “Unhinged,” with President Trump hitting his former aide as a “lowlife” and a “dog” in a Tuesday tweet.