United Kingdom, June 23 -- Kristin Cavallari was "obsessed with [her] weight" during her 20s.

The 39-year-old TV personality has admitted to having a complicated relationship with food during her 20s, acknowledging that she had a "form of an eating disorder".

Speaking on the Let's Be Honest podcast, Kristin explained: "In my early 20s, I never had an eating disorder - actually, I probably would say this is a form of an eating disorder.

"I was obsessed with food. I was obsessed with it! I was obsessed with my weight. I would guilt myself all day, every day, and it was such a horrible way to live."

Kristin acknowledged that she lived on a restricted diet during her younger years, but she's struggled to define her food-related issues for...