Kristin Cavallari admitted she ended her relationship with Mark Estes due to their 13-year age gap, and not because of any "lost love" between the former couple.

Kristin Cavallari addressed her breakup from Mark Estes during an episode of her 'Let's Be Honest' podcast. The 'Laguna Beach' alum claimed that Estes would one day "thank me" for ending their relationship but called him the "best boyfriend I've ever had.

Kristin Cavallari and Mark Estes have called it quits, and the former “Laguna Beach” star is explaining why. In an episode of her podcast “Let’s Be Honest with Kristin Cavallari" entitled “The Break Up,