United Kingdom, April 4 -- Kristin Cavallari's kids think Laguna Beach is "boring.

The 39-year-old reality TV star shares sons Camden, 13 and Jaxon, 11, and daughter Saylor, 10, with ex-husband Jay Cutler but admitted the children have no interest in her fame or the upcoming show The Reunion: Laguna Beach.

She told PEOPLE: "They've seen little bits and pieces, but they think it's really boring. They have no interest in watching a full episode."

My kids are older now. I've got a teen and then some preteens, and so yes, I can have real conversations with them about it now.

"At the end of the day, I'm just Mom. And yes, this is something I went through, but they know me as Mom ... they know that that's not me.

"There's a huge separation...