Celebrity Apprentice contestant Arsenio Hall hints at Don Jr's affair with Aubrey O'Day as it's revealed their 'relationship ended when pregnant wife Vanessa discovered their emails'

Donald Trump Jr pursued Aubrey O'Day after meeting her on the set of Celebrity Apprentice and told her that he would leave his wife Vanessa so the two could be together according to a new report. US Weekly spoke with multiple source about the affair, with one revealing: 'He called her all the time and really cared about her. He was giving her a lot of advice on her career. She's actually a bright girl, way smarter than people realize.' It all ended in March 2012 however when Vanessa found an email exchange between the pair. Arsenio Hall, who appeared alongside Don Jr and O'Day on Celebrity Apprentice, seemed to confirm the rumors on Tuesday when he tweeted: 'The year @clayaiken ... and I were on Celebrity Apprentice garnered great reality TV for NBC. But we both used to say that the GREATER show, was going on behind the scenes.