Kristin Cavallari, 37, thought new boyfriend Mark Estes, 24, would just be a ... trends now Kristin Cavallari thought new boyfriend Mark Estes would just be a 'f**k buddy' when she first met him. The former reality star, 37, who debuted her romance with the Montana Boyz member, 24, earlier this year, branded him the 'hottest man I've ever seen' and said he changed her mind on having more kids. Speaking on her Let's Be Honest podcast on Tuesday, she said: 'When I first met him I didn't think it was going to turn into what it's turned into. 'He's the hottest man I've ever seen, so I was like, "Perfect, I'll make him my f**k buddy." 'Because I didn't have one. I really haven't had one here in the four years that I've been divorced. Guys, the lack of sex in my life is real.' Kristin Cavallari thought new boyfriend Mark Estes would just be a 'f**k buddy' when she first met him
