Kristin Cavallari and Mark Estes breakup after 7 months of dating: ‘It’s so fresh’ Fox NewsKristin Cavallari and Mark Estes Split After 7 Months: Source (Exclusive) PEOPLEKristin Cavallari, 37, and influencer boyfriend Mark Estes, 24, split after 7 months Page SixFans React To Kristin Cavallari’s Major Relationship Update With Mark Estes NewsweekKristin Cavallari splits with 24-year-old boyfriend Mark Estes after 7 months USA TODAY