Why Did Kristin Cavallari & Lauren Conrad Leave The Hills?

The original 'Hills' stars did not return for the MTV reboot.
The original 'Hills' stars did not return for the reboot.

Lauren Conrad, Kristin Cavallari's Ups and Downs Through the Years

Previously on The Hills: An Essential Catch-Up Guide

What Happened to Lauren Conrad? The Fallout With Her 'Hills' Co-Stars

Lauren Conrad on Why She Was So Upset at Spencer and Heidi's Wedding on The Hills Season 5

Is Kristin Cavallari Going to Be in The Hills Reboot?

Heidi Montag Slams How Lauren Conrad Treated Her on 'The Hills' – NBC Connecticut

Is Lauren Conrad okay? Truth behind 'The Hills' star's controversial exit and what she's been up to lately - MEAWW

Kristin Cavallari On 'The Hills': Why She Left The Show & More – Hollywood Life

Lauren Conrad hugs enemy Kristin Cavallari as they say goodbye to The Hills

Kristin Cavallari Dissed Lauren Conrad During Interview — She What the Former Hills Star Said!

See Kristin Cavallari Embrace Shenanigans With Lauren Conrad's Exes

Kristin Cavallari says the Lauren Conrad feud is dunzo

Why Lauren Conrad Isn't Returning to The Hills

The Biggest Reveals from Lauren Conrad's 'Back To The Beach' Chat

Audrina Patridge Reveals Why She And Lauren Conrad 'Aren't Friends' Anymore