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

Does Kristin Cavallari have a new guy in her life? The 37-year-old former reality star was spotted on a trip to Cabo San Lucas, Mexico with hot young model Mark Estes. TMZ has obtained a photo of Kristin and Mark, 24, riding the airport transfer bus while arriving in town for their getaway. Keep reading