The Housewives universe expands worldwide, although some people unintentionally get dragged into the mess of the reality stars’ lives. Take Karli Postel, for example. The equestrian professional was a family woman who ran a successful horse training business with her husband,

An insider tells Page Six that Mellencamp allegedly stepped out on Arroyave several times with a longtime pal, whose then-wife was also a close friend.

Sources revealed that Mellencamp, 43, entered into a months-long affair with her German-born horse trainer, Simon Schroeder, before her divorce. According to Daily Mail, it wasn’t just a fleeting romance. This relationship unraveled amid complex dynamics that rocked both their marriages.