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.

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

It was an announcement made amid a swirl of tabloid speculation: Kimberly Guilfoyle, a loyalist of President-elect Donald J. Trump and — more pointedly — the fiancée of his son Donald Jr., had been named as his choice to be ambassador to Greece.