One source claims to Page Six the mistress was Mellencamp’s “best friend,” while a second source insists the women “maybe interacted four times at most.”

Earlier this month Real Housewives of Beverly Hills star Teddi Mellencamp announced that she was calling it quits with Edwin Arroyave after 13 years of marriage

Teddi Mellencamp's estranged husband Edwin Arroyave allegedly had a romantic relationship with a woman named Missy during their 13 years of marriage from 2015 to 2016 and lasted anywhere from six months to a year.