Ivanka Trump Says She Will Not Be Filling In as First Lady in Trump Administration

Ivanka, Don Jr. and Eric Trump sat down for exclusive interviews with "20/20."

“There is one first lady, and she’ll do remarkable things,” Ivanka Trump told ABC News’ “20/20” in an exclusive interview.

Ivanka Trump and her husband, Jared Kushner, have quickly ascended to become Washington’s new power couple. Last week Trump transition officials announced that Kushner was expected to serve as an unpaid senior adviser to the president, while Ivanka Trump’s role has not yet been formally announced.

Kushner is leaving behind his family’s billion-dollar real estate business, and Ivanka Trump is departing from her clothing and accessories brand that bears her name — both in an effort to comply with federal ethics laws, the legal and transition team advising the family told reporters last week.

Ivanka Trump will no longer be participating in the management of the Trump Organization, and she will resign from all office/director positions in her company brand. She will also divest significant assets, including common stock and restructure her participation in Trump Organization transactions.

“It’s emotional,” Ivanka Trump said. “I’m stepping away from my business ... My father will be president, and hopefully, I can be there to support him and to support those causes I’ve cared about my whole professional career.”

Ivanka Trump, whose new book, “Women Who Work: Rewriting the Rules for Success,” will be out in May, told ABC’s Deborah Roberts she will be donating the proceeds from it to charity.

“My father has the biggest responsibility of any person, arguably, on the planet, and that’s to run the United States of America,” he told “20/20” in an exclusive interview. “His focus is going to be running this country.”

The weight of that reality, assuming the role of commander in chief, is something Donald Trump Jr. believes might not yet have fully sunk in for his father.

“I don’t think anyone could become that cynical that wouldn’t affect him,” he told “20/20” in an exclusive interview. “Going around the country and seeing all these people who’ve been either disaffected from politics but have just been through so much — to be able to go through it and see them and talk to them ... it was just a culmination of, just, incredible and moving experiences.”