Photogs caught Lauren Conrad and Heidi Montag filming scenes for The Hills yesterday!

No, not together, of course,the drama unfolded in two separate places: Lauren with Whitney at Lemonade, and Heidi Montag a few blocks over on Robertson!

Check out the action and see if you can figure out any exciting plot details:











Man, there sure are a lot of fans trying to get a pic with Heidi! Where's Team Lauren?