In the days after Donald Trump Jr. was seen holding hands with Florida socialite Bettina Anderson, PEOPLE has learned that he and fiancée Kimberly Guilfoyle have broken up. A source says it 'is not a contentious split.

Dec. 10, Donald Trump announced he nominated Kimberly Guilfoyle as the U.S. ambassador to Greece. While that might sound like a reward for her hard work during the campaign, it seems like her broken engagement to Donald Trump Jr.

Trump and Guilfoyle have not publicly called off their engagement, though sources told PEOPLE in September that the couple have allegedly been spending lots of time apart