The sneak peek of the recent episode of 'The Hills' highlighted the topic about their tragic split and showing the hidden internal reasons.
SOURCE: Pop Culture
The sneak-peak episode previewed some of the episodes which reads,
Carter opens up the gossip that Stephanie Pratt told her before, saying, "She’s just, like, asking about your relationship." The friend goes on to spill the rumors that Pratt had told her about the couple being in an open or polyamorous relationship, saying, "She’s like, ‘I don’t know. Isn’t there someone else, like, involved?"
That's when Jenner chimes in, "That's none of her business," but then continues to confirm the rumors, by saying, "You know, we just, we like what we like."
Carter begins to giggle when Jenner fessed up to their polyamorous relationship. Letting the cat out of the bag, Carter says in a solo-confessional,
When Brody and I first were together, we were young, we were crazy, we were, like, you know, basically just trying to have the time of our lives. So we did a lot of things in our relationship that, you know, I certainly wouldn’t say I regret, but the level of gossip that I feel happens in the group - it just makes me angry.