Because they kept the details private, the rumour mill spent years guessing what went wrong.A few distinct narratives eventually emerged:

The political pressure: In April 2025, President Donald Trump weighed in publicly, suggesting that the relentless, suffocating pressure of the Russia investigation took a massive toll on his son’s marriage, calling the breakup “very sad” but driven by outside forces.

The tabloid rumours: Media outlets frequently pointed to a reported 2011 affair between Don Jr.and Celebrity Apprentice star Aubrey O’Day. Speculation spiked further when Don Jr. began dating Fox News host Kimberly Guilfoyle shortly after the divorce papers were filed.

Vanessa, however, fiercely protected her family from the gossip. She took to social media to shut down the timeline rumours, clarifying that she and Don Jr. had already been quietly separated for over nine months before he began dating anyone else, effectively deflecting the tabloid drama away from her kids.