Kristin Cavallari and Mark Estes have split after seven months of dating. The 37-year-old reality TV star and the 24-year-old Montana Boyz TikToker ended their brief romance recently, with Kristin telling podcast host Alex Cooper during her ‘Unwell’ tour stop in Austin, Texas, that the split was “fresh”. Kristin previously revealed that Mark first came to her attention in September 2023 when she was going through TikTok and she immediately thought he was “so hot”. Speaking on her ‘Let’s Be Honest’ podcast in March 2024, she said: “Back in like September, I’m scrolling and I come across this bo…