Rachel McRady / People: Kristin Cavallari Says Her Sons' Friends Heard Her Discussing Her Sex Life on Her Podcast: 'Real Eye-Opener' - Cavallari is mom to sons Camden, 13, and Jaxon, 11, as well as daughter Saylor, 10 - Kristin Cavallari said that her sons' recent confession led her to reevaluate what she discusses on her Let's Be Honest podcast