Heidi and Spencer Pratt -- known to many these days as the mono-named couple Speidi -- have always been the crux of the drama on 'The Hills' in the past. Now, however, a new troublemaker is in town, and the words come straight out of the mouths of PopEater pals Spencer and Heidi themselves: Kristin Cavallari is a reality television goldmine. "She's banging everyone's boyfriends on the show ... Kristen Cavallari was born to be on reality television," Spencer tells PopEater. In their chat with PopEater, Speidi also dish on other 'Hills' happenings, how Lauren Conrad should take to YouTube and what to expect when Heidi co-hosts 'The View' this week.

Watch a Preview of the Drama on 'The Hills' Season 6