Heidi Montag Calls Kristin Cavallari Most Successful Member of 'The Hills,' Slams Lauren Conrad

Heidi Montag Slams Former 'The Hills' Co-Star Lauren Conrad for Treating Her Like a 'Dog'

‘Laguna Beach’ Alum Lauren Conrad Has More Money Than You’d Think — Learn Her Net Worth

Reality TV Legend Kristin Cavallari Has a Pretty Penny to Her Name — See Her Net Worth!