Bethenny Frankel’s three-year engagement with Paul Bernon is over, with sources telling RadarOnline.com that the pair broke up several weeks ago. Insiders spilled to this outlet last month that they ended their six-year relationship; however, we did not publish the story because we could not confirm with the former Real Housewives of New York star’s rep. Us Weekly published the breakup story on Monday, with a mutual friend of Frankel and Bernon’s saying, “It just wasn’t going to work.” “They are so different – he’s an under the radar kind of guy,” the source told the outlet, claiming they ende…