Don Jr., Eric, Ivanka, Tiffany and Barron. Over the years, several of Donald J. Trump's adult children have stepped into the spotlight to work with him on real estate ventures, judge contestants on "The Apprentice" and even advise him during his first presidency.

Following tradition, the day began with a worship service at St. John's Episcopal Church and a White House meeting between incoming and outgoing presidents.

First daughter Ivanka Trump channeled Audrey Hepburn with her inaugural ball gown Monday night celebrating Donald Trump’s return to the White House. Her white and black dress was designed by Givenchy,

Donald Trump's granddaughter, Kai, is turning heads in a new photo with Ivanka Trump. Kai Trump, a high school senior, is set to play college golf at the University of Miami next year. She announced her commitment last year.

Ivanka Trump Fans Think Her Niece Kai, 17, 'Looks So Much Like' the First Daughter in Glam New Photos From Donald's Inauguration