Kristin Cavallari, 37, and influencer boyfriend Mark Estes, 24, split after seven months

Cavallari confirmed the split onstage during a live show with “Call Her Daddy” podcast Alex Cooper. kristincavallari/Instagram Kristin Cavallari broke up with her influencer boyfriend Mark Estes. “The Hills” alum, 37, is back on the market seven months after debuting…