When Lauren Dragged Jen Through The Mud
Conrad and Jen Bunney’s friendship ended when Bunney went for Conrad’s on-and-off hookup toy, Brody Jenner. Bunney tried apologizing, but Conrad didn’t forgive her because she had allegedly broken girl code, which is to never put your moves on another woman’s man, especially if she’s your friend.
Source: https://www.glamour.com/story/lauren-conrad-friends-the-hills