Kristin Cavallari Spotted in Cabo with Hot 24-Year-Old Model Mark Estes, Goes Instagram Official

Kristin Cavallari Goes Public with New Model Boyfriend After Cabo Vacation

Kristin Cavallari shows off her toned figure in bikini tops as she models her own jewelry line during a winter vacation in sun-drenched Cabo

Would Kristin Cavallari Return to Reality TV? She Says...