Among the 370 guests at the Saturday nuptials were "Dynasty" actress Joan Collins, reality TV star Brittny Gastineau, songwriter Denise Rich and model Sophie Dahl, the New York Daily News reported Monday.
The groom's mother, Ivana Trump, sat one chair away from her former husband during the wedding ceremony but far across the $42 million grand ballroom during the reception, the newspaper said.
Haydon is a 27-year-old undergraduate studying psychology at New York's Marymount College.
Donald Jr., 27, works for his dad in the Trump Organization.
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