Kristin Cavallari revealed that she already knew ex-husband Jay Cutler's fiancée, Samantha Robertson, before their divorce during the June 4 episode of 'Honestly Cavallari: The Headline Tour.' The 'Laguna Beach' alum noted that their history "helped" her understand Cutler's new relationship better.

Elsewhere in the episode, the Uncommon James founder called Cutler a “pathological liar.” In March, Cavallari said that she finds co-parenting with Cutler to be “the ultimate test in life.” Cutler has since moved on from the reality TV star with Samantha Robertson, with the pair getting engaged last November.

Kristin Cavallari has experienced a lot of "growth" in her life after splitting from Jay Cutler. "The last five years have been instrumental for me," Cavallari, 38, told Us Weekly exclusively on Wednesday,