United Kingdom, March 27 -- Kristin Cavallari is "thankful" that she and Lauren Conrad could heal their tumultuous friendship.

The reality TV stars repeatedly clashed and had a slew of dramatic moments on MTV's Laguna Beach, including their love triangle with co-star Stephen Colletti, but getting older has taught Kristin and Lauren not to hold grudges over minor things.

Speaking to People ahead of their return in The Reunion: Laguna Beach, Kristin, 39, said of making peace with Lauren: "I'm really happy about it. I'm thankful that we had the opportunity to even do that.

"And it's been, obviously, for us, we haven't had any beefs for the last however many years. We're adults. We've all moved past it, but I think it's nice and to show ev...