Oh, the nostalgia is real - but so is the tension, apparently! Lauren Conrad and Kristin Cavallari may have buried their hatchet, but don't expect every blast from their past to feel like a warm reunion. Because when Spencer Pratt entered the chat, things got awkward fast! Related: Kristin Cavallari Admits She Hates THIS Female Hills Castmate More Than Lauren Conrad! The former Laguna Beach and The Hills stars stopped by the Today Show on Wednesday, where hosts Jenna Bush Hager and Sheinelle Jones decided to stir the pot just a little.